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Class 12 Chemistry: CBSE Sample Question Paper (2024-25) | Sample Papers for Class 12 Medical and Non-Medical PDF Download

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SAMPLE P APER (2024 -25)
CHEMISTR Y THEOR Y (043)
Max. Marks:70 T ime: 3 hours
GENERAL INSTRUCTIONS:
Read the following instructions carefully .
(a) There are 33 questions in this question paper with internal choice.
(b) SECTION A consists of 16 multiple-choice questions carrying 1 mark each.
(c) SECTION B consists of 5 short answer questions carrying 2 marks each.
(d) SECTION C consists of 7 short answer questions carrying 3 marks each.
(e) SECTION D consists of 2 case-based questions carrying 4 marks each.
(f) SECTION E consists of 3 long answer questions carrying 5 marks each.
(g) All questions are compulsory.
(h) Use of log tables and calculators is not allowed.
SECTION A
The following questions are multiple-choice questions with one correct answer . Each
question carries 1 mark. There is no internal choice in this section.
1 Ammonolysis of ethyl chloride followed by reaction of the amine so formed with
1 mole of methyl chloride gives an amine that
a. reacts with Hinsberg reagent to form a product soluble in an alkali.
b. on reaction with Nitrous acid, produced nitrogen gas.
c. reacts with Benzenesulphonyl chloride to form a product that is insoluble
in alkali.
d. does not react with Hinsberg reagent.
1
2 Which one of the following has the highest dipole moment?
a. CH
3
F
b. CH
3
Cl
c. CH
3
I
d. CH
3
Br
1
3 Match the properties given in column I with the metals in column II
Column I Column II
(i) Actinoid having configuration [Rn] 5f
7
6d
1
7s
2
(A) Ce
(ii) Lanthanoid which has 4f
14
electronic (B) Lu
configuration in +3 oxidation state.
(iii) Lanthanoid which show +4 Oxidation state (C) Cm
1
1
Page 2


SAMPLE P APER (2024 -25)
CHEMISTR Y THEOR Y (043)
Max. Marks:70 T ime: 3 hours
GENERAL INSTRUCTIONS:
Read the following instructions carefully .
(a) There are 33 questions in this question paper with internal choice.
(b) SECTION A consists of 16 multiple-choice questions carrying 1 mark each.
(c) SECTION B consists of 5 short answer questions carrying 2 marks each.
(d) SECTION C consists of 7 short answer questions carrying 3 marks each.
(e) SECTION D consists of 2 case-based questions carrying 4 marks each.
(f) SECTION E consists of 3 long answer questions carrying 5 marks each.
(g) All questions are compulsory.
(h) Use of log tables and calculators is not allowed.
SECTION A
The following questions are multiple-choice questions with one correct answer . Each
question carries 1 mark. There is no internal choice in this section.
1 Ammonolysis of ethyl chloride followed by reaction of the amine so formed with
1 mole of methyl chloride gives an amine that
a. reacts with Hinsberg reagent to form a product soluble in an alkali.
b. on reaction with Nitrous acid, produced nitrogen gas.
c. reacts with Benzenesulphonyl chloride to form a product that is insoluble
in alkali.
d. does not react with Hinsberg reagent.
1
2 Which one of the following has the highest dipole moment?
a. CH
3
F
b. CH
3
Cl
c. CH
3
I
d. CH
3
Br
1
3 Match the properties given in column I with the metals in column II
Column I Column II
(i) Actinoid having configuration [Rn] 5f
7
6d
1
7s
2
(A) Ce
(ii) Lanthanoid which has 4f
14
electronic (B) Lu
configuration in +3 oxidation state.
(iii) Lanthanoid which show +4 Oxidation state (C) Cm
1
1
a. (i)-(C), (ii)-(B), (iii)-(A)
b. (i)-(C), (ii)-(A), (iii)-(B)
c. (i)-(A), (ii)-(B), (iii)-(C)
d. (i)-(B), (ii)-(A), (iii)-(C)
4 Study the graph showing the boiling points of bromoalkanes and identify the
compounds.
a. 1 = Bromomethane, 2= 2-Bromobutane, 3= 1-Bromobutane,
4= 2-Bromo-2-methylpropane
b. 1 =1-Bromobutane, 2= 2-Bromo-2-methylpropane, 3= 2-Bromobutane,
4= Bromomethane
c. 1 = Bromomethane, 2=1-Bromobutane, 3= 2-Bromo-2-methylpropane,
4= 2-Bromobutane,
d. 1 =Bromomethane, 2= 2-Bromo-2-methylpropane, 3=2- Bromobutane,
4= 1-Bromobutane
(for visually challenged learners)
Which of the following haloalkanes has the highest boiling point?
a. 2-Bromo-2-methylpropane
b. 2-Bromobutane
c. Bromomethane
d. 1-Bromobutane
1
2
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159 docs|4 tests
159 docs|4 tests
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