Easychm4u

Learn Chemistry, The Easy Way

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.

9

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

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

2) The molecular ion peak gives information about:

3 / 17

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

4 / 17

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

5 / 17

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

6 / 17

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

7 / 17

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

8 / 17

8) Which compound is least soluble in water?

9 / 17

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

10 / 17

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

11 / 17

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

12 / 17

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

13 / 17

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

14 / 17

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

15 / 17

15) Which compound is more stable due to resonance?

16 / 17

16) Enzymes activity is affected by:

17 / 17

17) Ligands form bond with transition metals by:

Your score is

0%

51

FBISE-12th-2025-2nd Annual Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

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

3 / 17

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

4 / 17

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

5 / 17

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

6 / 17

6) Titration is an example of:

7 / 17

7) Beryllium hydroxide is classified as:

8 / 17

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

9 / 17

9) Which compound shows hydrogen bonding?

10 / 17

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

11 / 17

11) The building blocks of proteins are:

12 / 17

12) In SN1 reaction, the rate depends on:

13 / 17

13) Which aldehyde will show aldol condensation?

14 / 17

14) Which carboxylic acid derivative is least reactive?

15 / 17

15) Which polymer is formed by condensation reaction?

16 / 17

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

17 / 17

17) Which gas is mainly responsible for acid rain?

Your score is

0%

79

FBISE-12th-2025-Local Area Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

2) Which of the following has lowest density?

3 / 17

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

4 / 17

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

5 / 17

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

6 / 17

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

7 / 17

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

8 / 17

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

9 / 17

9) Which statement is correct?

10 / 17

10) Ozone is being mainly destroyed by:

11 / 17

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

12 / 17

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

13 / 17

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

14 / 17

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

15 / 17

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

16 / 17

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

17 / 17

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

Your score is

0%

40

FBISE-12th-2025-Hard Area Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

1) Identify the organic compound:

2 / 17

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

3 / 17

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

4 / 17

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

5 / 17

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

6 / 17

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

7 / 17

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

8 / 17

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

9 / 17

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

10 / 17

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

11 / 17

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

12 / 17

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

13 / 17

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

14 / 17

14) Ozone is being mainly destroyed by:

15 / 17

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

16 / 17

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

17 / 17

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

Your score is

0%

992

FBISE- 2016-1-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

2) The long chains of monosaccharides are called:

3 / 17

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

4 / 17

4) The IUPAC name of the given compound is:

5 / 17

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

6 / 17

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

7 / 17

7) Reduction of alkyl nitriles gives:

8 / 17

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

9 / 17

9) Group VIII elements are generally called:

10 / 17

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

11 / 17

11) Acetone can be obtained by the oxidation of:

12 / 17

12) Pale green is a characteristic flame colour of:

13 / 17

13) Double bond is formed as a result of:

14 / 17

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

15 / 17

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

16 / 17

16) 3Ca + N2 → ?

 

17 / 17

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

Your score is

0%

588

FBISE- 2016-2-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

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

3 / 17

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

4 / 17

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

5 / 17

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

6 / 17

6) 1-Butene and 2-Butene are ……………………………isomers of each other.

7 / 17

7) Acetone can be prepared by dry distillation of:

8 / 17

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

9 / 17

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

10 / 17

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

11 / 17

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

12 / 17

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

13 / 17

13) Which acid can dissolve vitreous silica?

14 / 17

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

15 / 17

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

16 / 17

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

17 / 17

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

Your score is

0%

418

FBISE- 2016-3-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

2) Which one of the following oxides is acidic?

3 / 17

3) Bronze is an alloy of :

4 / 17

4) Ecosystem is the smallest unit of:

5 / 17

5) Isobutyric acid is also called:

6 / 17

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

7 / 17

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

8 / 17

8) Cyclopropane is an example of:

9 / 17

9) The electrophile in aromatic sulphonation is :

10 / 17

10) Chose the mismatched pair from the following:

Polymer ————- Monomer

11 / 17

11) Formaldehyde on reaction with methyl magnesium bromide produces:

12 / 17

12) CaO + SO3   →  CaSO4

The above reaction is a type of :

13 / 17

13) Benzene can undergo all the following reactions except:

14 / 17

14) Isomers of a substance must have:

15 / 17

15) Mass spectroscopy is used to determine:

16 / 17

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

17 / 17

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

Your score is

0%

301

FBISE- 2016-Supply-1-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

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

3 / 17

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

4 / 17

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

5 / 17

5) SN2 reaction can be best carried out with:

6 / 17

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

7 / 17

7) The electrophile in aromatic sulphonation is:

8 / 17

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

9 / 17

9) Which of the following gases is not pollutant?

10 / 17

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

11 / 17

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

12 / 17

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

13 / 17

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

14 / 17

14) Sodalime is:

15 / 17

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

16 / 17

16) Geometrical isomerism is shown by:

17 / 17

17) Cannizaro’s reaction is not given by:

Your score is

0%

264

FBISE- 2016-Supply-2-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

1) Aldehydes are prepared by:

2 / 17

2) The catalyst used in contact chamber process is:

3 / 17

3) Electron affinity is a measure of:

4 / 17

4) Which one of the sulphate is water soluble?

5 / 17

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

6 / 17

6) Tollen’s test is given by:

7 / 17

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

8 / 17

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

9 / 17

9) Central carbon atom in tertiary butyl alcohol is:

10 / 17

10) The element belongs to group-IVA is:

11 / 17

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

12 / 17

12) According to Lewis concept, ethers behave as:

13 / 17

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

14 / 17

14) Vinyl acetylene combines with concentrated HCl to form:

15 / 17

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

16 / 17

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

17 / 17

17) The element NOT present in all proteins is:

Your score is

0%

285

FBISE- 2017-1-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

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

3 / 17

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

4 / 17

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

5 / 17

5) Full name of Bucky Balls is:

6 / 17

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

7 / 17

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

8 / 17

8) Benzoic acid is obtained by the oxidation of:

9 / 17

9) IUPAC name of Valeric acid is:

10 / 17

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

11 / 17

11) Petrochemicals are classified into how many classes?

12 / 17

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

13 / 17

13) Most abundant macro molecules on earth are:

14 / 17

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

15 / 17

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

16 / 17

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

17 / 17

17) Hydrolysis of nitriles produces:

Your score is

0%

278

FBISE- 2017-2-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

2) Which of the following is a bidentate ligand?

3 / 17

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

4 / 17

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

5 / 17

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

6 / 17

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

7 / 17

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

8 / 17

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

9 / 17

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

10 / 17

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

11 / 17

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

12 / 17

12) All lipids are:

13 / 17

13) Reaction of alkylhalides with Na metal yields:

14 / 17

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

15 / 17

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

16 / 17

16) Green is the characteristic flame colour of:

17 / 17

17) Prosthetic groups are:

Your score is

0%

158

FBISE-12th-2017-3-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

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

3 / 17

3) Iodoform test is used to distinguish:

4 / 17

4) Rectified spirit is convertred into absolute alcohol by:

5 / 17

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

6 / 17

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

7 / 17

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

8 / 17

8) Laughing gas is chemically:

9 / 17

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

10 / 17

10) The electrophile in aromatic sulphonation is:

11 / 17

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

12 / 17

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

13 / 17

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

14 / 17

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

15 / 17

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

16 / 17

16) ββ‘-Dichloroethyl sulphide is commonly known as:

17 / 17

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

Your score is

0%


145

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

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

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

3 / 17

3) Infrared radiations are involved in:

4 / 17

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

5 / 17

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

6 / 17

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

7 / 17

7) The secondary structure of protein is stabilized by:

8 / 17

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

9 / 17

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

10 / 17

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

11 / 17

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

12 / 17

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

13 / 17

13) Identify the most stable carbocation among the following:

14 / 17

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

15 / 17

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

16 / 17

16) Acidic hydrogen is present in:

17 / 17

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

Your score is

0%

184

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

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

1) Acetamide is prepared by:

2 / 17

2) Tincal is a mineral of:

3 / 17

3) The anhydride of HClO4 is:

4 / 17

4) The reaction between fat and NaOH is called:

5 / 17

5) Aluminium oxide is:

6 / 17

6) The element Caesium resembles with:

7 / 17

7) Benzene can not undergo:

8 / 17

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

9 / 17

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

10 / 17

10) Laughing gas is chemically:

11 / 17

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

12 / 17

12) Vinyl acetylene combines with HCl to form:

13 / 17

13) Ketones are prepared by the oxidation of:

14 / 17

14) Alcohol and ether show the phenomenon of:

15 / 17

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

16 / 17

16) -CHO group in benzene is:

17 / 17

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

Your score is

0%

88

FBISE-12th-2018-1-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

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

3 / 17

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

4 / 17

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

5 / 17

5) Nail polish remover is composed of:

6 / 17

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

7 / 17

7) The meta directing group among the following is:

8 / 17

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

9 / 17

9) The industrial smog contains smoke mixed with:

10 / 17

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

11 / 17

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

12 / 17

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

13 / 17

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

14 / 17

14) Br-1 reduces H2SO4 to form:

15 / 17

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

16 / 17

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

17 / 17

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

Your score is

0%

78

FBISE-12th-2018-2-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

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

3 / 17

3) The MORE acidic compound among the following is:

4 / 17

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

5 / 17

5) Geometrical isomerism is shown by:

6 / 17

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

7 / 17

7) Acetamide can be prepared by heating:

8 / 17

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

9 / 17

9) Which dye is used in boot polish?

10 / 17

10) 2,3-Dimethyl-2-butene on reaction with O3/H2O gives:

11 / 17

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

12 / 17

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

13 / 17

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

14 / 17

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

15 / 17

15) Acetal is produced when acetaldehyde reacts with:

16 / 17

16) Sarette reagent is:

17 / 17

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

Your score is

0%

82

FBISE-12th-2018-Supply-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

1) With which wavelength is green colour associated?

2 / 17

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

3 / 17

3) Miticides are used to control:

4 / 17

4) Which of the following is a simple protein?

5 / 17

5) In C2H6SO2 functional group is:

6 / 17

6) Composition of Brass is:

7 / 17

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

8 / 17

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

9 / 17

9) Molecular formula of Catechol is:

10 / 17

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

11 / 17

11) Malonic acid is a common name for:

12 / 17

12) Stability order of simple alkyl carbocation is:

13 / 17

13) Tartaric acid is obtained from:

14 / 17

14) Mordants are salts of:

15 / 17

15) Which of the following is MOST stable cation?

16 / 17

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

17 / 17

17) [Ti(H2O)6] is of ……………….. colour.

Your score is

0%

77

FBISE-12th-2019-1-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

2) Nucleic acids are the repeating units of:

3 / 17

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

4 / 17

4) The carbon atom in formaldehyde is:

5 / 17

5) Which of the following elements form alloys?

6 / 17

6) Hydrogen bonding is maximum in:

7 / 17

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

8 / 17

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

9 / 17

9) Which of the following is CORRECT?

10 / 17

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

11 / 17

11) Polyethylene is an example of:

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 alloy is used in the preparation of Raney nickle?

14 / 17

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

15 / 17

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

16 / 17

16) Pyridine is:

17 / 17

17) Acetic acid reacts with Na metal to form:

Your score is

0%

84

FBISE-12th-2019-2-Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

1) 1,3-Dibromobutane is:

2 / 17

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

3 / 17

3) Which of the following is NOT monohydric alcohol?

4 / 17

4) Indicate the MOST acidic carboxylic acid:

5 / 17

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

6 / 17

6) Which of the following is NOT a hydrocarbon?

7 / 17

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

8 / 17

8) The hydrolysis of triglycerides by alkalies is called:

9 / 17

9) Which of the following is an amphoteric hydroxide?

10 / 17

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

11 / 17

11) Very high energy electron beams are used in :

12 / 17

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

13 / 17

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

14 / 17

14) Good leaving group among the following is:

15 / 17

15) Identify X in the following reaction:

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

16 / 17

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

17 / 17

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

Your score is

0%

58

FBISE-12th-2022-Hard Area Objectives

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

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

2 / 17

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

3 / 17

3) Identify green house gases:

4 / 17

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

5 / 17

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

6 / 17

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

7 / 17

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

8 / 17

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

9 / 17

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

10 / 17

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

 

 

 

 

 

11 / 17

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

12 / 17

12) Predict the product of the reaction:

 

13 / 17

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

14 / 17

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

15 / 17

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

16 / 17

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

17 / 17

17) Identify the compound which shows geometrical isomerism:

Your score is

0%