CBSE 12 Chemistry Question Paper-2017 by Pavan | Practice Test to Test Your Knowledge
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CBSE 12 Chemistry Question Paper-2017

CBSE 12 Chemistry Question Paper-2017

This mock test includes actual CBSE Class 12 Chemistry board exam questions from the year 2017, helping students understand exam trends and practice real paper formats

2025-08-04
Pavan Pavan
CBSE Class 12 Chemistry 2017 Grade 12

Duration

50 min

Questions

50

Marking

Negative

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Questions Preview

Write the formula of an oxo-anion of Manganese (Mn) in which it shows the oxidation state equal to its group number.

A
MnO4-
B
MnO2
C
Mn2O3
D
MnO3

Write IUPAC name of the following compound: (CH3CH2)2NCH3.

A
Diethylamine
B
N-Ethylmethanamine
C
N,N-Dimethylethanamine
D
N,N-Diethylaniline

For a reaction R ––→ P, half-life (t1/2) is observed to be independent of the initial concentration of reactants. What is the order of the reaction?

A
Zero order
B
First order
C
Second order
D
Third order

Write the structure of 1-Bromo-4-chlorobut-2-ene.

A
CH3-CH=CH-CH2Br
B
CH2=CH-CH2-CH2Br
C
CH3-CH2-CH=CHBr
D
CH3-CH=CH2-CH2Br

Write one similarity between Physisorption and Chemisorption.

A
Both involve weak van der Waals forces
B
Both are irreversible processes
C
Both involve the formation of bonds between adsorbent and adsorbate
D
Both are influenced by temperature and pressure

Write the IUPAC name of the following compound: CH3NHCH(CH3)2.

A
N,N-Dimethylmethanamine
B
N-Ethyl-N-methylamine
C
N-Methyl-N-ethylamine
D
N,N-Diethylethanamine

Write the structure of 2,4-dinitrochlorobenzene.

A
Cl-C6H3(NO2)2
B
NO2-C6H3(Cl)2
C
Cl-C6H2(NO2)3
D
NO2-C6H2Cl

Write the IUPAC name of the following compound: CH3-CH=CH-COOH.

A
But-2-enoic acid
B
But-1-enoic acid
C
But-3-enoic acid
D
Ethan-2-enoic acid

Calculate the degree of dissociation (α) of acetic acid if its molar conductivity (∧m) is 39.05 S cm2mol–1. Given λo(H+) = 349.6 S cm2 mol–1 and λo(CH3COO–) = 40.9 S cm2 mol–1.

A
α = 0.1
B
α = 0.5
C
α = 0.9
D
α = 1

Write one similarity between Physisorption and Chemisorption.

A
Both occur at high temperatures
B
Both are reversible processes
C
Both involve weak van der Waals forces
D
Both result in the formation of bonds between adsorbent and adsorbate

Write the formula of an oxo-anion of Chromium (Cr) in which it shows the oxidation state equal to its group number.

A
CrO4^2-
B
CrO3
C
Cr2O3
D
Cr2O7^2-

Write the structure of 2,4-dinitrochlorobenzene.

A
Cl-C6H3(NO2)2
B
NO2-C6H3(Cl)2
C
Cl-C6H2(NO2)3
D
NO2-C6H2Cl

Write the IUPAC name of the following compound: CH3-CH=CH-COOH.

A
But-2-enoic acid
B
But-1-enoic acid
C
But-3-enoic acid
D
Ethan-2-enoic acid

Write the structure of 2,4-dinitroaniline.

A
NO2-C6H3(NH2)2
B
NH2-C6H3(NO2)2
C
NO2-C6H4-NH2
D
NH2-C6H4(NO2)2

What happens when HCl is added to MnO2?

A
It forms MnCl2
B
It forms Mn2O3
C
It forms MnCl3
D
It forms MnO

Write the structure of 1-Bromo-2-chloropropane.

A
CH3-CH(Br)-CH2Cl
B
CH2Br-CH(Cl)-CH3
C
CH3-CH2-CH(Br)-Cl
D
CH2Cl-CH(Br)-CH3

What happens when H2SO4 is added to ethene?

A
It forms ethanol
B
It forms ethene oxide
C
It forms acetic acid
D
It forms ethyl hydrogen sulfate

Write the IUPAC name of the following compound: CH3-CH=CH-COOH.

A
But-2-enoic acid
B
But-1-enoic acid
C
But-3-enoic acid
D
Ethan-2-enoic acid

What is the order of the reaction for the following: N2O5 → 2NO2 + ½O2, given the data: [N2O5] at t=0 is 1.6 × 10–2, t=300 is 0.8 × 10–2, and t=600 is 0.4 × 10–2?

A
First order
B
Second order
C
Zero order
D
Third order

Write the structure of 2-bromo-2-methylpropane.

A
Br-C(CH3)3
B
CH3-CH2-C(CH3)2Br
C
CH3-CH=CH-CH2Br
D
CH3-CH2-CH2-CH3Br

Write the IUPAC name of the following compound: CH3-CH=CH-COOH.

A
But-2-enoic acid
B
But-1-enoic acid
C
But-3-enoic acid
D
Ethan-2-enoic acid

What happens when SO3 is passed through water?

A
It forms H2SO4
B
It forms H2SO3
C
It forms H2O2
D
It forms H2S

Write the structure of 1-Bromo-2-chloropropane.

A
CH3-CH(Br)-CH2Cl
B
CH2Br-CH(Cl)-CH3
C
CH3-CH2-CH(Br)-Cl
D
CH2Cl-CH(Br)-CH3

Write the structure of 2,4-dinitroaniline.

A
NO2-C6H3(NH2)2
B
NH2-C6H3(NO2)2
C
NO2-C6H4-NH2
D
NH2-C6H4(NO2)2

What happens when HCl is added to MnO2?

A
It forms MnCl2
B
It forms Mn2O3
C
It forms MnCl3
D
It forms MnO

What is the order of the reaction for the following: N2O5 → 2NO2 + ½O2, given the data: [N2O5] at t=0 is 1.6 × 10–2, t=300 is 0.8 × 10–2, and t=600 is 0.4 × 10–2?

A
First order
B
Second order
C
Zero order
D
Third order

Write the structure of 2-bromo-2-methylpropane.

A
Br-C(CH3)3
B
CH3-CH2-C(CH3)2Br
C
CH3-CH=CH-CH2Br
D
CH3-CH2-CH2-CH3Br

Write the IUPAC name of the following compound: CH3-CH=CH-COOH.

A
But-2-enoic acid
B
But-1-enoic acid
C
But-3-enoic acid
D
Ethan-2-enoic acid

What happens when SO3 is passed through water?

A
It forms H2SO4
B
It forms H2SO3
C
It forms H2O2
D
It forms H2S

Write the structure of 1-Bromo-2-chloropropane.

A
CH3-CH(Br)-CH2Cl
B
CH2Br-CH(Cl)-CH3
C
CH3-CH2-CH(Br)-Cl
D
CH2Cl-CH(Br)-CH3

Write the structure of 2,4-dinitroaniline.

A
NO2-C6H3(NH2)2
B
NH2-C6H3(NO2)2
C
NO2-C6H4-NH2
D
NH2-C6H4(NO2)2

What happens when HCl is added to MnO2?

A
It forms MnCl2
B
It forms Mn2O3
C
It forms MnCl3
D
It forms MnO

What is the order of the reaction for the following: N2O5 → 2NO2 + ½O2, given the data: [N2O5] at t=0 is 1.6 × 10–2, t=300 is 0.8 × 10–2, and t=600 is 0.4 × 10–2?

A
First order
B
Second order
C
Zero order
D
Third order

Write the structure of 2-bromo-2-methylpropane.

A
Br-C(CH3)3
B
CH3-CH2-C(CH3)2Br
C
CH3-CH=CH-CH2Br
D
CH3-CH2-CH2-CH3Br

Write the IUPAC name of the following compound: CH3-CH=CH-COOH.

A
But-2-enoic acid
B
But-1-enoic acid
C
But-3-enoic acid
D
Ethan-2-enoic acid

What happens when SO3 is passed through water?

A
It forms H2SO4
B
It forms H2SO3
C
It forms H2O2
D
It forms H2S

Write the structure of 1-Bromo-2-chloropropane.

A
CH3-CH(Br)-CH2Cl
B
CH2Br-CH(Cl)-CH3
C
CH3-CH2-CH(Br)-Cl
D
CH2Cl-CH(Br)-CH3

Write the structure of 2,4-dinitroaniline.

A
NO2-C6H3(NH2)2
B
NH2-C6H3(NO2)2
C
NO2-C6H4-NH2
D
NH2-C6H4(NO2)2

What happens when HCl is added to MnO2?

A
It forms MnCl2
B
It forms Mn2O3
C
It forms MnCl3
D
It forms MnO

Write the formula of an oxo-anion of Chromium (Cr) in which it shows the oxidation state equal to its group number.

A
CrO4^2-
B
CrO3
C
Cr2O3
D
Cr2O7^2-

Write the structure of 2,4-dinitrochlorobenzene.

A
Cl-C6H3(NO2)2
B
NO2-C6H3(Cl)2
C
Cl-C6H2(NO2)3
D
NO2-C6H2Cl

What is the order of the reaction for the following: N2O5 → 2NO2 + ½O2, given the data: [N2O5] at t=0 is 1.6 × 10–2, t=300 is 0.8 × 10–2, and t=600 is 0.4 × 10–2?

A
First order
B
Second order
C
Zero order
D
Third order

Write the structure of 2-bromo-2-methylpropane.

A
Br-C(CH3)3
B
CH3-CH2-C(CH3)2Br
C
CH3-CH=CH-CH2Br
D
CH3-CH2-CH2-CH3Br

Write the IUPAC name of the following compound: CH3-CH=CH-COOH.

A
But-2-enoic acid
B
But-1-enoic acid
C
But-3-enoic acid
D
Ethan-2-enoic acid

What happens when SO3 is passed through water?

A
It forms H2SO4
B
It forms H2SO3
C
It forms H2O2
D
It forms H2S

Write the IUPAC name of the following compound: CH3-CH=CH-COOH.

A
But-2-enoic acid
B
But-1-enoic acid
C
But-3-enoic acid
D
Ethan-2-enoic acid

What happens when HCl is added to MnO2?

A
It forms MnCl2
B
It forms Mn2O3
C
It forms MnCl3
D
It forms MnO

Write the structure of 1-Bromo-2-chloropropane.

A
CH3-CH(Br)-CH2Cl
B
CH2Br-CH(Cl)-CH3
C
CH3-CH2-CH(Br)-Cl
D
CH2Cl-CH(Br)-CH3

Write the structure of 2,4-dinitroaniline.

A
NO2-C6H3(NH2)2
B
NH2-C6H3(NO2)2
C
NO2-C6H4-NH2
D
NH2-C6H4(NO2)2

What happens when HCl is added to MnO2?

A
It forms MnCl2
B
It forms Mn2O3
C
It forms MnCl3
D
It forms MnO