11th Chemistry fbise objectives

11th Chemistry

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

Class 11 Chemistry notes according to latest FBISE syllabus following 2022-2023 Curriculum. Contains detailed video lectures, solved exercises, review questions, MCQs, pdf notes and past board papers solution.

FBISE Past Papers Objectives
Explanation Videos

FBISE-2025-2nd Annual-NewSyllabus Objectives

FBISE-1th-New Syllabus-2025-2nd Annual Objectives

Total 17 MCQs

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1 / 17

1) The reactant that determines the maximum yield of a chemical reaction is called:

A) Excess reactant

B) Limiting reactant

C) By-product

D) Catalyst

2 / 17

2) The type of intermolecular forces present between Hydrochloric molecules is:

A) Ionic Bond

B) Hydrogen bonding

C) Metallic Force

D) Dipole Dipole Forces

3 / 17

3) The enthalpy change when 1 mole of a substance is completely burned in oxygen is called:

A) Heat of formation

B) Heat of combustion

C) Heat of atomization

D) Heat of neutralization

4 / 17

4) A catalyst increases the rate of reaction by:

A) Decreasing temperature

B) Increasing activation energy

C) Lowering activation energy

D) Changing equilibrium constant

5 / 17

5) If an element “X” has 1st ionization energy 495kJ/mol and 2nd ionization energy 4560kJ/mol, this indicates that there is/are valence electrons.

A) 1

B) 5

C) 3

D) 2

6 / 17

6) If 2 moles of H2 react with 32g of O2, the number of moles of H2O formed will be:

2H2 + O2 → 2H2O

A) 1

B) 3

C) 2

D) 4

7 / 17

7) Which reagent is used to distinguish aldehydes from ketones?

A) Tollen's reagent

B) Haber reagent

C) Bayer's reagent

D) Lindler catalyst

8 / 17

8) Which sub-shell can hold a maximum of 14 electrons?

A) f

B) p

C) d

D) s

9 / 17

9) A conjugate acid-base pair differs by:

A) One neutron

B) One proton

C) One moleule

D) One electron

10 / 17

10) According to Markovnikov’s rule, the stability of carbocation formed during electrophilic addition is explained by:

A) Inductive effect of alkyl groups

B) Hydrogen bonding

C) Resonance effect

D) Dispersion forces

11 / 17

11) Which substance has zero value for their standard enthalpy of formation?

A) H2O

B) CO2

C) O2

D) Fe2O3

12 / 17

12) Aldehydes can be oxidized to:

A) Craboxylic acids

B) Ketones

C) Ethers

D) Alcohols

13 / 17

13) Which property of water is explained by hydrogen bonding:

A) Low viscosity

B) High vapor pressure

C) High surface tension

D) Low boiling point

14 / 17

14) Which of the following halogens exists in solid state at room temperature?

A) Br2

B) Cl2

C) I2

D) F2

15 / 17

15) Which of the following has no specific functional group?

A) Ethene

B) Acetic acid

C) Propane

D) Butanol

16 / 17

16) The reaction of methane with chlorine in the presence of sunlight is an example of:

A) Free radical substitution

B) Elimination

C) Nucleophilic substitution

D) Electrophilic addition

17 / 17

17) The number of valence electrons in an atom can be deduced from its:

A) Group number

B) Isotopic composition

C) Atomic mass

D) Density

Your score is

FBISE-2025-1st Annual-Local Paper Objective

FBISE-11th-2025-Local Area-Objectives (New Syllabus)

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

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1 / 17

1) The third ionization potential value of an element is significantly high as compared to its 1st and 2nd ionization potentials. The element belongs to:

A) Group-1 (I-A)

B) Group-18 (VIII-A)

C) Group-17 (VII-A)

D) Group-2 (II-A)

2 / 17

2) Which reagent is used for the reduction of carboxylic acids to alcohols?

A) H2/Pt

B) K2Cr2O7

C) LiAlH4

D) KMnO4

3 / 17

3) Position of an element in periodic table with electronic configuration 1s2, 2s2, 2p6, 3s2, 3p2.

A) In Group-14 (IV-A)

B) In Group-2 (II-A)

C) In Group-13 (III-A)

D) In Group-1 (I-A)

4 / 17

4) Which pair of organic compounds can be distinguished by using 2,4-DNPH?

A) 1-Propanol and 2-Propanol

B) Ethanol and Acetone

C) Ethanal and Ethanol

D) Ethyl chloride and EThyl bromide

5 / 17

5) Which pair of elements will most likely form an ionic bond?

A) H & Cl

B) B & Cl

C) C & H

D) Na & O

6 / 17

6) The number of molecules present in 67.2 dm3 of He gas at STP is:

A) 2.4 x 10^24

B) 6.02 x 10^24

C) 1.806 x 10^24

D) 1.204 x 10^24

7 / 17

7) Peroxyacetyl nitrate (PAN) is formed by the reaction of oxides of nitrogen with:

A) Hydrogen sulphide

B) Oxides of phosphorous

C) Oxides of sulphur

D) Unburned hydrocarbons

8 / 17

8) What will be the enthalpy of solution of NaCl, if ΔH (reverse lattice) is +786kj/mol and ΔH (hyd) is -783kj/mol?

A) +1569 kj/mol

B) -1569 kj/mol

C) +3 kj/mol

D) -3 kj/mol

9 / 17

9) The compound which gives silver mirror test as well as Iodoform test is:

A) Ethanal

B) Propanal

C) Ethanol

D) Propanone

10 / 17

10) Aqueous solutions of which of the following salts will have pH less than 7?

A) NaCO3

B) CuSO4

C) KNO3

D) Na2SO4

11 / 17

11) Identify the product formed when ethyl bromide is warmed with NaOH in ethanol:

A) CH2=CH-Br

B) CH2=CH2

C) CH3-CHO

D) CH3-CH2-ONa

12 / 17

12) Identify correct relationship for determination of half-life of a first order reaction:

A) t1/2 = 0.693/k

B) t1/2 = [Ao]/2k

C) t1/2 = 1/k [Ao]

D) t1/2 = 0.023[Ao]/k

13 / 17

13) Which of the following halides can reduce H2SO4 to H2S?

A) NaI

B) NaCl

C) NaF

D) NaBr

14 / 17

14) Which of the following organic compound can be identified by Fehling solution test?

A) CH3-CH2-OH

B) CH3-CH2-Cl

C) CH3-CH2-CHO

D) CH3-COOH

15 / 17

15) Identify the step in the mechanism of free radical chlorination of ethane?

CH3-CH3 + Cl2 → CH3-CH2-Cl + HCl

A) Termination

B) Substitution

C) Propagation

D) Initiation

16 / 17

16) Which statement is FALSE about comparative bond energy values of hydrogen halide molecules?

A) H-Br > H-I

B) H-Cl ≥ H-F

C) H-F > H-Cl

D) H-Cl > H-Br

17 / 17

17) The following equilibrium will not be shifted in the forward direction by:

(N2 + 3H2 ⇌ 2NH3 + Δ )

A) Adding H2 gas

B) Removing NH3

C) Increasing pressure

D) Increasing temperature

Your score is

FBISE-2025-1st Annual-Hard Paper Objective

FBISE-11th-2025-Hard Area-Objectives (New Syllabus)

Total 17 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 17

1) Identify x and y in the reaction:

A) x= H2SO4/H2O , y= Al2O3

B) x= NaBH4 , y= H2SO4

C) x=H2O , y = HCl

D) x= H2SO4, y = LiAlH4

2 / 17

2) An alkyl halide is reacted with AgNO3 in ethanol, light yellow ppt insoluble in NH4OH are formed. Identify the alkyl halide:

A) CH3-CH2-F

B) CH3-CH2-Cl

C) CH3-CH2-Br

D) CH3-CH2-I

3 / 17

3) 0.5 dm3 of CO2 gas is enclosed in a container at STP. The mass of gas is:

A) 48.6 g

B) 0.49 g

C) 22.4 g

D) 0.98 g

4 / 17

4) If solubility of salt MX is 2×10^2 mol/dm3. What will be the value of ksp , if salt dissociates into one cation (M+) and one anion (X-)?

A) 8×10^-4

B) 2×10^-4

C) 4×10^4

D) 1×10^-4

5 / 17

5) What is produced when ethene is reacted with cold, dilute solution of KMnO4?

A) CH3-CHO

B) CH3-CH2-OH

C) OH-CH2-CH2-OH

D) CH3-COOH

6 / 17

6) Which of the following decreases across the period?

A) Electron affinity

B) Electronegativity

C) Ionization potential

D) Atomic radius

7 / 17

7) The molecule with formula H2CO has 3 sigma bond pairs and one pi bond pair in valence shell of central atom (carbon). Its structure is:

A) Trigonal planer

B) Tetrahedral

C) Trigonal pyramid

D) Bent

8 / 17

8) Which compound of sulfur is used as fertilizer?

A) CuSO4

B) (NH4)SO4

C) NaSO4

D) BaSO4

9 / 17

9) The electronic configuration of an ion with mass number 63 and charge +2 is [Ne], 3s2, 3p6,3d9.

The number of protons, neutrons and electrons present in the atom are?

A) e=29, p=29, n=34

B) e=27, p=27, n=36

C) e=29, p=27, n=36

D) e=34, p=29, n=63

10 / 17

10) Which of the following is the correct relationship for Gibb’s free energy?

A) G=H x TS

B) G=H/TS

C) G=H-TS

D) G=H+TS

11 / 17

11) The reduction of C6H5-NO2 by Sn/HCl results in the formation of:

A) C6H5-Cl

B) C6H5-OH

C) C6H6

D) C6H5-NH2

12 / 17

12) Which molecule possesses stronger London dispersion forces?

A) n-Butane

B) iso-Pentane

C) iso-Butane

D) n-Pentane

13 / 17

13) An elemental M reacts with O2, H2O and Cl2 to form the products M2O, MOH, MCl respectively. The element is most likely

A) Li

B) Ca

C) Mg

D) Al

14 / 17

14) Correct rate equation for given reaction is:

A) Rate = k [Cl2]

B) Rate = k

C) Rate = k [H2]

D) Rate = k [H2] [Cl2]

15 / 17

15) Which of the following reaction at equilibrium will NOT be affected by change in pressure?

A) N2 + O2 ⇌ 2NO

B) CO + 2H2 ⇌ CH3OH

C) N2O4 ⇌ 2NO2

D) N2 +3H2 ⇌ 2NH3

16 / 17

16) Butanone can be prepared by the oxidation of:

A) Butanoic acid

B) Butanal

C) 1-Butanol

D) 2-Butanol

17 / 17

17) Identify the product Q in the given reaction:

A) CH3-CH2-OH

B) CH3-COOH

C) CH3-CH2-COOH

D) CH3-CH2-NH2

Your score is

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11th Chemistry