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12th Chemistry

Reference Books : National Book Foundation, KPK & Balochistan Text Book

Class 12 Chemistry notes according to latest FBISE syllabus following 2006 Curriculum. Contains detailed video lectures, solved exercises, review questions, MCQs, pdf notes and past board papers solution.

FBISE Past Papers Objectives
Explanation Videos
FBISE Past Paper # 2026-1st Annual Objectives (New syllabus)
4

FBISE-12th Chemistry-2026-1st Annual Objectives-New Syllabus

Total 17 MCQs

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1 / 17

1) Nitriles are prepared from halogenoalkanes, by reaction with KCN. This is an example of:

2 / 17

2) Which compound is least soluble in water?

3 / 17

3) If the temperature during diazotization rises above 10 oC, the diazonium salt:

4 / 17

4) if a solute is more soluble in polar solvent than non polar solvent, the partition coefficient will be

5 / 17

5) A compound that strongly interacts with the stationary phase will:

6 / 17

6) Which titration curve shows equivalence point above pH 7?

7 / 17

7) When chloroethane reacts with aqueous OH- at low temperature, main product is:

8 / 17

8) In a redox reaction substance that increase its oxidation number act as:

9 / 17

9) Which compound is more stable due to resonance?

10 / 17

10) In oxidation reactions, side chain of alkyl benzene is converted into:

11 / 17

11) If a polymer segment shows CH2-CH2-CH2-CH2. The monomer is:

12 / 17

12) Enzymes activity is affected by:

13 / 17

13) Propanone (CH3-CO-CH3) gives how many 13C-NMR signals?

14 / 17

14) The molecular ion peak gives information about:

15 / 17

15) Which compound will show maximum absorption in UV visible region?

16 / 17

16) Ligands form bond with transition metals by:

17 / 17

17) Which of the following is a type of stereoisomerism?

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FBISE Past Paper # 2025-2nd Annual Objectives
49

FBISE-12th-2025-2nd Annual Objectives

Total 17 MCQs

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1 / 17

1) Which carboxylic acid derivative is least reactive?

2 / 17

2) Which gas is mainly responsible for acid rain?

3 / 17

3) Which aldehyde will show aldol condensation?

4 / 17

4) The delocalized pi-electrons in benzene are responsible for:

5 / 17

5) The allotrope of carbon known as “Bucky Ball” has now many carbon atoms in its simplest molecule?

6 / 17

6) Which polymer is formed by condensation reaction?

7 / 17

7) Which compound shows hydrogen bonding?

8 / 17

8) Which element in period 3 has the highest electronegativity?

9 / 17

9) The building blocks of proteins are:

10 / 17

10) In SN1 reaction, the rate depends on:

11 / 17

11) Titration is an example of:

12 / 17

12) Which technique is based on absorption of electromagnetic radiation?

13 / 17

13) Which reaction mechanism is involved in chlorination of methane in the presence of sunlight?

14 / 17

14) Which transition metal is used as a catalyst in Haber’s process?

15 / 17

15) Phenol can be prepared from benzene sulphonic acid by:

16 / 17

16) Which group I elements shows crimson red colour on flame test?

17 / 17

17) Beryllium hydroxide is classified as:

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FBISE Past Paper # 2025-Local Area Objectives
79

FBISE-12th-2025-Local Area Objectives

Total 17 MCQs

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1 / 17

1) Succinic acid resembles with substrate and inhibits the enzyme activity by attaching on its active site, it is an example of:

2 / 17

2) Chemical breakdown of organic compounds by microorganisms, e.g. bacteria is called:

3 / 17

3) Which alcohol is NOT the direct product of reaction when Grignard reagent react with aldehydes or ketones?

4 / 17

4) A fire fighter’s helmet made of plastic becomes hard after a fire Helmet is made of:

5 / 17

5) Ozone is being mainly destroyed by:

6 / 17

6) Which statement is correct?

7 / 17

7) Heterolytic cleavage of covalent bond converts bonded atoms into:

8 / 17

8) Which of the following has lowest density?

9 / 17

9) The expected shape of [Fe(H2O)6]+2 based on its coordination number is:

10 / 17

10) Which of the following alkyl halides will yield alkenes more easily?

11 / 17

11) Which of the following is a bad leaving group?

12 / 17

12) The number of signals in H1-NMR spectrum of Acetone will be:

13 / 17

13) Empirical formula of an organic compound is C3H8O5 and molecular mass is 372 g/mol. Molecular formula of this compound is:

14 / 17

14) Among sulphates of Group-II elements ……………… has the lowest solubility in water?

15 / 17

15) What are the expected products when Butanone is oxidized?

16 / 17

16) Which alcohol will yield oily layer on heating, according to Lucas test?

17 / 17

17) Which will be the least reactive towards nucleophilic addition reactions?

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FBISE Past Paper # 2025-Hard Area Objectives
39

FBISE-12th-2025-Hard Area Objectives

Total 17 MCQs

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1 / 17

1) Carboxylic acids are reduced to which product on reaction with LiAlH4?

2 / 17

2) Which alcohol is NOT the direct product of reaction when Grignard reagent reacts with aldehyde or ketones?

3 / 17

3) Which of the hair dye penetrates the hair shaft and provides long lasting colours but can damage the hair as well?

4 / 17

4) Succinic acid resembles with substrate and inhibits the enzyme activity by attaching on its active site. It is an example of:

5 / 17

5) Coordination number in [Cu (NH2-NH2)2] SO4 is:

6 / 17

6) Homolytic cleavage of covalent bond converts the bonded atoms into:

7 / 17

7) Which alcohol will yield immediately oily layer according to Lucas test?

8 / 17

8) The presence of specific functional groups in a molecule is commonly identified by:

9 / 17

9) Which of the following Nuclei will be magnetically active in NMR spectroscopy?

10 / 17

10) Which sulphates of Group-II elements has the HIGHEST solubility in water?

11 / 17

11) Which of the following will be more reactive towards nucleophilic addition reactions?

12 / 17

12) Ozone is being mainly destroyed by:

13 / 17

13) Which of the 3rd period elements has the highest melting point?

14 / 17

14) Which of the following alkyl halides is most likely to undergo an SN1 reaction?

15 / 17

15) Which of the following statement is CORRECT regarding the density of Group-1 elements?

16 / 17

16) Which alcohol will yield alkene more easily among the given options?

17 / 17

17) Identify the organic compound:

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FBISE Past Paper # 2016-1
991

FBISE- 2016-1-Objectives

Total 17 MCQs

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1 / 17

1) Which of the following technique DOES NOT involve electromagnetic radiations?

2 / 17

2) The IUPAC name of the given compound is:

3 / 17

3) In the organic compounds, the carbon atom generally forms:

4 / 17

4) Which one of the following oxides is basic in nature?

5 / 17

5) 3Ca + N2 → ?

 

6 / 17

6) Acetone can be obtained by the oxidation of:

7 / 17

7) The oxidation states -1, +1, +3, +5 and +7 are shown by all the halogens except:

8 / 17

8) Pale green is a characteristic flame colour of:

9 / 17

9) The functional group having following structure represents the family called:

10 / 17

10) The compounds, n-butane and isobutane are best considered as:

11 / 17

11) Which of the following is NOT an alternative to ozone depleting Chlorofluorocarbon (CFCs) ?

12 / 17

12) The long chains of monosaccharides are called:

13 / 17

13) Due to inert pair effect, the elements of group IV having electronic configuration ns2, np2 will form:

14 / 17

14) Group VIII elements are generally called:

15 / 17

15) The nitration of phenol at 25 degree centigrade produces:

16 / 17

16) Reduction of alkyl nitriles gives:

17 / 17

17) Double bond is formed as a result of:

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FBISE Past Paper # 2016-2
588

FBISE- 2016-2-Objectives

Total 17 MCQs

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1 / 17

1) Rock salt (Halite) is a mineral containing ………………………. metal.

2 / 17

2) Coating of which element upon iron can lead to sacrificial corrosion, if damaged:

3 / 17

3) Which compound of Xenon requires more severe conditions, if prepared by direct combination of Xenon and molecular fluorine?

4 / 17

4) Acetone can be prepared by dry distillation of:

5 / 17

5) Which of the following alcohols will immediately form oily layer with conc,HCl in anhydrous ZnCl2?

6 / 17

6) Which one of these polymers is an addition polymer?

7 / 17

7) Keeping in view the size of atoms, which order is correct?

8 / 17

8) An aqueous solution of an organic compound reacts with Na2CO3 to produce carbon dioxide. Which one of the following could be the organic compound?

9 / 17

9) 1-Butene and 2-Butene are ……………………………isomers of each other.

10 / 17

10) Which one is ortho and para directing group in electrophilic substitution reactions of benzene?

11 / 17

11) Which substance acts as catalyst in the depletion of Ozone layer?

12 / 17

12) When CO2 is made to react with ethyl magnesium iodide followed by the acid hydrolysis, the product formed is:

13 / 17

13) The brown gas formed, when metal reduces conc. Nitric acid is:

14 / 17

14) Which one of the following is not micro-nutrient for plants?

15 / 17

15) β,β‘-Dichloroethyl sulphide is commonly known as:

16 / 17

16) Which of the following compounds can produce white precipitates with ammonical silver nitrate?

17 / 17

17) Which acid can dissolve vitreous silica?

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FBISE Past Paper # 2016-3
418

FBISE- 2016-3-Objectives

Total 17 MCQs

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1 / 17

1) The oxidation number of central metal ion in the complex Na[Mn(CO)5] is:

2 / 17

2) Chose the mismatched pair from the following:

Polymer ————- Monomer

3 / 17

3) The refining of petroleum is carried out by the process called:

4 / 17

4) Isobutyric acid is also called:

5 / 17

5) CaO + SO3   →  CaSO4

The above reaction is a type of :

6 / 17

6) The formation of soap by the reaction of Fat and Sodium hydroxide is called:

7 / 17

7) Which one of the following oxides is acidic?

8 / 17

8) Ecosystem is the smallest unit of:

9 / 17

9) Water adds to acetylene in the presence of mercuric sulphate dissolved in conc.H2SO4 to give a stable product called:

10 / 17

10) Isomers of a substance must have:

11 / 17

11) The electrophile in aromatic sulphonation is :

12 / 17

12) Benzene can undergo all the following reactions except:

13 / 17

13) Mass spectroscopy is used to determine:

14 / 17

14) Chlorine (VII) oxide (Cl2O7) reacts with water to give  a strong acid:

15 / 17

15) Cyclopropane is an example of:

16 / 17

16) Formaldehyde on reaction with methyl magnesium bromide produces:

17 / 17

17) Bronze is an alloy of :

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FBISE Past Paper # 2016-S1
301

FBISE- 2016-Supply-1-Objectives

Total 17 MCQs

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1 / 17

1) The component of blood that carries oxygen in the body is:

2 / 17

2) Which one of the following shows high boiling point?

3 / 17

3) The carbonates of alkali metals are not affected by heat except:

4 / 17

4) Nail polish remover base commonly contains a mixture of two organic solvents:

5 / 17

5) When AgNO3 is added to Lessaigne’s solution, which colour is formed for iodine?

6 / 17

6) Phenol is more acidic than alcohol. Which statement is correct?

7 / 17

7) Which of the following oxides is amphoteric in nature?

8 / 17

8) Geometrical isomerism is shown by:

9 / 17

9) Which of the following can not be prepared directly from acetic acid?

10 / 17

10) Cannizaro’s reaction is not given by:

11 / 17

11) Which of the following gases is not pollutant?

12 / 17

12) In oxidation of chromium III to chromium VI, the green colour will change into:

13 / 17

13) CH3-CH2-CH2-Br on treatment with alcoholic KOH gives:

14 / 17

14) SN2 reaction can be best carried out with:

15 / 17

15) Which of the following can be prepared in the laboratory by dry distillation of (HCOO)2Ca?

16 / 17

16) Sodalime is:

17 / 17

17) The electrophile in aromatic sulphonation is:

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FBISE Past Paper # 2016-S2
264

FBISE- 2016-Supply-2-Objectives

Total 17 MCQs

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1 / 17

1) The element belongs to group-IVA is:

2 / 17

2) Aldehydes are prepared by:

3 / 17

3) The reagent used to reduce carboxylic acid to an alcohol is:

4 / 17

4) Co-ordination number of platinum in [Pt Cl (NO2) (NH3)4 ]+2 is:

5 / 17

5) According to Lewis concept, ethers behave as:

6 / 17

6) Central carbon atom in tertiary butyl alcohol is:

7 / 17

7) Vinyl acetylene combines with concentrated HCl to form:

8 / 17

8) Tollen’s test is given by:

9 / 17

9) Which is the strongest oxy-acid of chlorine?

10 / 17

10) Which one of the sulphate is water soluble?

11 / 17

11) Electron affinity is a measure of:

12 / 17

12) During nitration of benzene, active nitrating agent is:

13 / 17

13) The reaction between fat and caustic soda is called:

14 / 17

14) The catalyst used in contact chamber process is:

15 / 17

15) The element NOT present in all proteins is:

16 / 17

16) Which of the following derivatives cannot be prepared directly from Acetic acid?

17 / 17

17) Which one of the following is not a nucleophile?

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FBISE Past Paper # 2017-1
285

FBISE- 2017-1-Objectives

Total 17 MCQs

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1 / 17

1) Which region of electromagnetic spectrum is involved in NMR Spectroscopy?

2 / 17

2) Which of the following is not present in acid rain?

3 / 17

3) Which of the following is a trace mineral in human diet?

4 / 17

4) IUPAC name of Valeric acid is:

5 / 17

5) Which complex reflects back whole of white light, its colour will be:

6 / 17

6) Petrochemicals are classified into how many classes?

7 / 17

7) Full name of Bucky Balls is:

8 / 17

8) Most abundant macro molecules on earth are:

9 / 17

9) Which of the following alcohols will be the most easily dehydrated to give an alkene?

10 / 17

10) Ozone layer is present at a height of about:

11 / 17

11) Which of the following can undergo Aldol condensation reaction?

12 / 17

12) Which of the following alkyl halides cannot be formed by direct reaction of alkanes with halogens?

13 / 17

13) Benzoic acid is obtained by the oxidation of:

14 / 17

14) Which of the following oxide is used as catalyst in Contact process?

15 / 17

15) When phenol reacts with CH3COCl, the product formed is:

16 / 17

16) Hydrolysis of nitriles produces:

17 / 17

17) Which of the following compounds gives an acidic solution with water?

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FBISE Past Paper # 2017-2
278

FBISE- 2017-2-Objectives

Total 17 MCQs

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1 / 17

1) Which one of the following compounds does not contain carboxylic group?

2 / 17

2) For which mechanisms, the first step involved is the same?

3 / 17

3) Which of the following reagents will react with both aldehyde and ketones?

4 / 17

4) The reaction of carboxylic acid with an alcohol is called:

5 / 17

5) Green is the characteristic flame colour of:

6 / 17

6) Prosthetic groups are:

7 / 17

7) Magnetic moment (μ) of an atom or ion is the measure of its numbers of un-paired electrons.

8 / 17

8) Which of the following is a bidentate ligand?

9 / 17

9) Reaction of alkylhalides with Na metal yields:

10 / 17

10) It is possible to distinguish between optical isomers by using:

11 / 17

11) Which of the following radiations can vibrate the bonds?

12 / 17

12) In which of the following compounds benzene rings are isolated?

13 / 17

13) All lipids are:

14 / 17

14) When AgNO3 is added to the Lassaign’s Solution, Which colour is formed for chlorine?

15 / 17

15) Which of the following alkyne would not produce a ketone on hydration?

16 / 17

16) In leather industry, which one of the following is used?

17 / 17

17) Polymers which are prepared from more than one kind of monomers are called:

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FBISE Past Paper # 2017-3

158

FBISE-12th-2017-3-Objectives

Total 17 MCQs

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1 / 17

1) The type of hybridization of carbon in ethylene molecule is:

2 / 17

2) The name of mineral CaSO4.2H2O is:

3 / 17

3) When ethyl magnesium bromide is reacted with acetone followed by acid hydrolysis, the product obtained is:

4 / 17

4) β–β‘-Dichloroethyl sulphide is commonly known as:

5 / 17

5) Which of the following is a non-typical transition element:

6 / 17

6) When an alkyl nitrile is hydrolysed in the presence of an acid or a base, the product obtained is:

7 / 17

7) Which of the following is structure of benzoic acid:

8 / 17

8) The electrophile in aromatic sulphonation is:

9 / 17

9) Which of the following enzyme brings about the hydrolysis of fats?

10 / 17

10) When Benzene reacts with Bromine in the presence of FeBr3, the product obtained is:

11 / 17

11) Which of the three elements are needed for the healthy growth of plants?

12 / 17

12) Many fluoro compounds likeCF4 and SiF6 show inertness due to:

13 / 17

13) Aluminium does not react with nitric acid at any concentration because of the formation of a layer of:

14 / 17

14) Rectified spirit is convertred into absolute alcohol by:

15 / 17

15) Which one is correct order of hydration energy of Na+, Mg++, Al +++ ions?

16 / 17

16) Laughing gas is chemically:

17 / 17

17) Iodoform test is used to distinguish:

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FBISE Past Paper # 2017-S1
145

FBISE-12th-2017-Supply-1-Objectives

Total 17 MCQs

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1 / 17

1) The dyes which have two or more -N=N- groups are called:

2 / 17

2) Which of the following is not an organic compound?

3 / 17

3) Acidic hydrogen is present in:

4 / 17

4) Which of the following is correct decreasing order of bond length of Halogens?

5 / 17

5) Which of the following order is correct regarding the acidity of carboxylic acids?

6 / 17

6) A chiral carbon is a carbon which has ………………different groups attached with it:

7 / 17

7) Esterification is the reaction of …………………. with an alcohol.

8 / 17

8) What is the correct electronic configuration of Cr? (Atomic number of Cr = 24)

9 / 17

9) ………………….. is an example of disaccharides.

10 / 17

10) …………………………. are sulphur analogues of alcohols:

11 / 17

11) The secondary structure of protein is stabilized by:

12 / 17

12) Which of the following will react with both aldehyde and ketones?

13 / 17

13) Which of the following compounds have no attraction at all with water?

14 / 17

14) Infrared radiations are involved in:

15 / 17

15) Identify the most stable carbocation among the following:

16 / 17

16) Which of the following is not an air pollutant?

17 / 17

17) Which property increases going down the group II-A of periodic table?

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FBISE Past Paper # 2017-S2
184

FBISE-12th-2017-Supply-2-Objectives

Total 17 MCQs

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1 / 17

1) Tincal is a mineral of:

2 / 17

2) Alcohol and ether show the phenomenon of:

3 / 17

3) Newspaper can be recycled again and again ……………… times:

4 / 17

4) Aluminium oxide is:

5 / 17

5) Which of the following is non-typical transition element:

6 / 17

6) The element Caesium resembles with:

7 / 17

7) Acetamide is prepared by:

8 / 17

8) Laughing gas is chemically:

9 / 17

9) Vinyl acetylene combines with HCl to form:

10 / 17

10) Ketones are prepared by the oxidation of:

11 / 17

11) Keeping in view the sizes of atoms, which order is correct one?

12 / 17

12) The reagent which reacts both with aldehyde and ketones is:

13 / 17

13) The anhydride of HClO4 is:

14 / 17

14) For which mechanism, the first step involved is same?

15 / 17

15) The reaction between fat and NaOH is called:

16 / 17

16) Benzene can not undergo:

17 / 17

17) -CHO group in benzene is:

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FBISE Past Paper # 2018-1
88

FBISE-12th-2018-1-Objectives

Total 17 MCQs

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1 / 17

1) Nail polish remover is composed of:

2 / 17

2) Which one of the following is NOT a disaccharide?

3 / 17

3) The alcohol with greater reactivity with respect to the cleavage of its O-H bond is:

4 / 17

4) Br-1 reduces H2SO4 to form:

5 / 17

5) The electrophile in the aromatic sulphonation reaction of benzene is:

6 / 17

6) Ethers can be prepared by the reaction of alkyl halides with:

7 / 17

7) The meta directing group among the following is:

8 / 17

8) The correct name of the complex ion, []Zn (NH2-CH2-CH2-NH2)3]+2 is:

9 / 17

9) -SH is the functional group present in the organic compounds known as:

10 / 17

10) The industrial smog contains smoke mixed with:

11 / 17

11) The technique which is used to determine the position of carbon atoms in an organic compound is:

12 / 17

12) Which one of the following will NOT give iodoform test on reaction with I2/NaOH?

13 / 17

13) The reagent which is used to distinguish between aldehydes and alcohols is:

14 / 17

14) In the reaction with aqueous copper (II) complex , [Cu(H2O)6]+2 , ammonia acts as a ligand as well as:

15 / 17

15) Reaction of carboxylic acids with LiAlH4 results in the formation of:

16 / 17

16) Which of the following reducing agents reduces the aromatic nitro compounds to amines:

17 / 17

17) Which of the following will not produce nitrite on heating?

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FBISE Past Paper # 2018-2
78

FBISE-12th-2018-2-Objectives

Total 17 MCQs

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1 / 17

1) Which one of the following can be used to distinguish between Fe+2 and Fe+3 ions?

2 / 17

2) The reagent used to detect phosphorous present in an organic compound is:

3 / 17

3) Geometrical isomerism is shown by:

4 / 17

4) 2,3-Dimethyl-2-butene on reaction with O3/H2O gives:

5 / 17

5) In IR spectrum of an organic compound, a strong peak at 1720 cm-1 is due to:

6 / 17

6) The ONLY alkaline earth metal which reacts with alkalies is:

7 / 17

7) Peroxy Acetyl Nitrate (PAN) is a secondary pollutant, which affects:

8 / 17

8) The alcohol with greater reactivity with respect to the cleavage of its C-O bond is?

9 / 17

9) Which of the followings is NOT present in RNA?

10 / 17

10) Which one of the following is a poor leaving group in SN-reactions?

11 / 17

11) The MORE acidic compound among the following is:

12 / 17

12) Sarette reagent is:

13 / 17

13) Which dye is used in boot polish?

14 / 17

14) Acetal is produced when acetaldehyde reacts with:

15 / 17

15) The coordination number of Zinc in the complex ion [Zn(NH2-CH2-CH2-NH2)3]+2 is:

16 / 17

16) Which one is NOT correct order of stability of oxidation states of group-IVA elements?

17 / 17

17) Acetamide can be prepared by heating:

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FBISE Past Paper # 2018-S
82

FBISE-12th-2018-Supply-Objectives

Total 17 MCQs

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1 / 17

1) Which of the following is NOT a dehydrating agent?

2 / 17

2) Molecular formula of Catechol is:

3 / 17

3) In C2H6SO2 functional group is:

4 / 17

4) With which wavelength is green colour associated?

5 / 17

5) [Ti(H2O)6] is of ……………….. colour.

6 / 17

6) Malonic acid is a common name for:

7 / 17

7) Stability order of simple alkyl carbocation is:

8 / 17

8) Which of the following will NOT give iodoform test?

9 / 17

9) Mordants are salts of:

10 / 17

10) Tartaric acid is obtained from:

11 / 17

11) Which of the following is a simple protein?

12 / 17

12) Which of the following is an acid catalysed reaction?

13 / 17

13) Which of the following is MOST stable cation?

14 / 17

14) Wat is the value of BOD for clean water?

15 / 17

15) Miticides are used to control:

16 / 17

16) Composition of Brass is:

17 / 17

17) Catalytic oxidation of benzene takes place in presence of……………………as catalyst.

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FBISE Past Paper # 2019-1
77

FBISE-12th-2019-1-Objectives

Total 17 MCQs

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1 / 17

1) The hard and the rigid rocky earth crust is called:

2 / 17

2) Nucleic acids are the repeating units of:

3 / 17

3) Polyethylene is an example of:

4 / 17

4) Which region of electromagnetic radiation is used in IR spectroscopy?

5 / 17

5) A mixture consists of 40%(+) tartaric acid and 60%(-) tartaric acid. This mixture rotates plane polarized light:

6 / 17

6) Electronic configuration of a transition element X in +2 oxidation state is [Ar]3d5. What is its atomic number?

7 / 17

7) Which of the following is CORRECT?

8 / 17

8) Hydrogen bonding is maximum in:

9 / 17

9) R-CN gives, when it is reacted with LiAlH4:

10 / 17

10) The carbon atom in formaldehyde is:

11 / 17

11) Which of the following metal hydroxide is LEAST soluble in water?

12 / 17

12) Which of the following pair has both members from the same period of the periodic table?

13 / 17

13) Which of the following elements form alloys?

14 / 17

14) Which of the following alloy is used in the preparation of Raney nickle?

15 / 17

15) The abnormal enlargement of thyroid gland is due to deficiency of …………… in diet.

16 / 17

16) Acetic acid reacts with Na metal to form:

17 / 17

17) Pyridine is:

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FBISE Past Paper # 2019-2
84

FBISE-12th-2019-2-Objectives

Total 17 MCQs

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1 / 17

1) The coordination number of carbonyl in [Ni(CO)4] is:

2 / 17

2) Very high energy electron beams are used in :

3 / 17

3) The order of reactivity of alcohol with respect to -O-H bond cleavage is:

4 / 17

4) Which of the following compounds is NOT used to adhere two items together?

5 / 17

5) Which of the following occurs during the initiation stage of radical mechanism?

6 / 17

6) Which of the following will give benzoic acid, when reacted with alkaline KMnO4?

7 / 17

7) The designing and creation of chemicals that are NOT hazardous to people or environment is related to:

8 / 17

8) Indicate the MOST acidic carboxylic acid:

9 / 17

9) Which of the following is an amphoteric hydroxide?

10 / 17

10) Metal carbonates decompose on heating to give metal oxides and carbon dioxide. Which of the following metal carbonates is thermally most stable?

11 / 17

11) Which of the following is NOT a hydrocarbon?

12 / 17

12) For a mixture containing 50%(+) Tartaric acid and 50%(-) Tartaric acid, which of the following statement is correct?

13 / 17

13) Identify X in the following reaction:

X + 4NaOH + 3I2 →  CHI3 + HCOONa + 3NaI + 3 H2O

14 / 17

14) Which of the following is NOT monohydric alcohol?

15 / 17

15) The hydrolysis of triglycerides by alkalies is called:

16 / 17

16) 1,3-Dibromobutane is:

17 / 17

17) Good leaving group among the following is:

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FBISE Past Paper # 2022-Hard Area Objectives
58

FBISE-12th-2022-Hard Area Objectives

Total 17 MCQs

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1 / 17

1) Which of the following is meta directing group in the electrophilic substitution reactions of Monosubstituted Benzene?

2 / 17

2) Identify the compound which shows geometrical isomerism:

3 / 17

3) Identify green house gases:

4 / 17

4) Predict the product of the reaction:

 

5 / 17

5) Oxidative cleavage of Ethane-1,2-diol (Glycol) with HIO4 gives:

6 / 17

6) Which of the following carbides is decomposed by water to form CH4 gas?

7 / 17

7) Which of the following tests is applied to differentiate between Ethanal and Propanal?

8 / 17

8) In destructive distillation, Coal is heated at 500-1000 °C in the absence of air. It gives:

 

 

 

 

 

9 / 17

9) HI is a strong base. It reduces H2SO4 to:

10 / 17

10) Nylon-6,6 is the polymer of:

11 / 17

11) Acetic acid is reacted with ammonia and resulting compound is strongly heated. Identify the compound formed?

12 / 17

12) Which of the following alcohols on reaction with K2Cr2O7/H2SO4 will give an alkene?

13 / 17

13) In IR Spectrum, a strong peak at 1720 cm-1 indicates the presence of:

14 / 17

14) Geometry of [Pt(NH3)4]+2 is square planar. Hybridization of Pt in the complex is:

15 / 17

15) Which of the following will form yellow coloured complex compound?

16 / 17

16) Which of the following nitrogenous bases is NOT present in DNA?

17 / 17

17) Which of the following base will favour substitution reaction as compared to the elimination reaction?

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