CHEMISTRY (CODE - 043)
SAMPLE QUESTION PAPER*
CLASS XII (2025-26)
Time: 3 hours Max. Marks: 70
GENERAL INSTRUCTIONS:
Read the following instructions carefully.
1. There are 33 questions in this question paper with internal choice.
2. SECTION A consists of 16 multiple-choice questions carrying 1 mark each.
3. SECTION B consists of 5 short answer questions carrying 2 marks each.
4. SECTION C consists of 7 short answer questions carrying 3 marks each.
5. SECTION D consists of 2 case-based questions carrying 4 marks each.
6. SECTION E consists of 3 long answer questions carrying 5 marks each.
7. All questions are compulsory.
8. Use of log tables and calculators is not allowed.
Section-A
Question 1 to 16 are multiple choice questions. Only one of the choices is correct.
Select and write the correct choice as well as the answer to these questions.
1 Which of the following reaction will lead to formation of ethyl methyl 1
ketone:
A. heating CH3CH(CH3)CH2OH with acidified Na2Cr2O7
B. passing CH3C(OH) CH3 over heated copper
C. ozonolysis of CH3CH2C(CH3)=CHCH3
D. acetylene on reaction with HgSO4/H2SO4
2 Consider the reaction and identify B and C 1
CH3CH2CH2CH2Cl NaOH +Ethanol. A
+
A H2O, H B and A (i) B2H6. (ii)H2O2, OH C
A
A. B=C= Butanol
B. B= Butanol, C=Butene
C. B= Butan-2-ol, C= Butanol
D. B= Butene, C=Butan-2-ol
3 The counter ion in the coordination compound [Co(NH3)5(NO2)] Cl2 is 1
A. Ammine
B. Cobalt
*Please note that the assessment scheme of the Academic Session 2024-25 will continue in the current
session i.e. 2025-26.
, C. Chloride
D. Nitro
4 The organic compounds A, B and C are amines having equivalent 1
molecular weight. A and B on reaction with benzene sulphonyl chloride
give white precipitate, however white precipitate obtained from
compound B remains insoluble in NaOH.
The variation in the boiling point of A, B and C can be seen as :
A. A> B>C
B. B>A>C
C. A=B > C
D. C>B>A
5 70 gm solute is dissolved in 700 gm solvent to prepare a solution 1
having density 1.5 g/ml. The ratio of its molality and molarity will be:
A. 0.77
B. 1.4
C. 0.73
D. 1.3
6 Match the column I and column II: 1
A. A-(i), B-(ii), C-(iii), D-(iv)
B. A-(iv), B-(ii), C-(iii), D-(i)
C. A-(i), B-(iii), C-(ii), D-(iv)
D. A-(iv), B-(iii), C-(ii), D-(i)
*Please note that the assessment scheme of the Academic Session 2024-25 will continue in the current
session i.e. 2025-26.
, 7 In o-cresol, the –OH group is attached to the carbon that is: 1
A. sp3 hybrid
B. sp2 hybrid
C. sp hybrid
D. dsp2 hybrid
8 Which of the following is laevorotatory in nature : 1
A. alpha D – glucose
B. beta -D- glucose
C. beta-D- fructose
D. sucrose
9 The name inner transition metals is often used to refer to the 1
A. lanthanoids
B. actinoids
C. both lanthanoids and actinoids
D. d block elements
10 Λ𝑜𝑚 CH3COOH can be calculated if the values of the following are 1
given:
1. Λ𝑜𝑚 HCl, Λ𝑜𝑚 KCl and Λ𝑜𝑚 CH3COOK
2. Λ𝑜𝑚 NaCl, Λ𝑜𝑚 KCl and Λ𝑜𝑚 CH3COONa
3. Λ𝑜𝑚 H2SO4, Λ𝑜𝑚 Na2SO4 and Λ𝑜𝑚 CH3COONa
A. Only 1
B. Either 1 or 2
C. Either 1 or 3
D. Either 2 or 3
11 Which of the following will give a yellow or orange ppt. with 2,4 1
DNP?
(i) Porpanal (ii) Propanone (iii) Propanoic acid
A. (i) and (ii)
B. (ii) and (iii)
C. (i) and (iii)
D. (i), (ii) and (iii)
*Please note that the assessment scheme of the Academic Session 2024-25 will continue in the current
session i.e. 2025-26.
SAMPLE QUESTION PAPER*
CLASS XII (2025-26)
Time: 3 hours Max. Marks: 70
GENERAL INSTRUCTIONS:
Read the following instructions carefully.
1. There are 33 questions in this question paper with internal choice.
2. SECTION A consists of 16 multiple-choice questions carrying 1 mark each.
3. SECTION B consists of 5 short answer questions carrying 2 marks each.
4. SECTION C consists of 7 short answer questions carrying 3 marks each.
5. SECTION D consists of 2 case-based questions carrying 4 marks each.
6. SECTION E consists of 3 long answer questions carrying 5 marks each.
7. All questions are compulsory.
8. Use of log tables and calculators is not allowed.
Section-A
Question 1 to 16 are multiple choice questions. Only one of the choices is correct.
Select and write the correct choice as well as the answer to these questions.
1 Which of the following reaction will lead to formation of ethyl methyl 1
ketone:
A. heating CH3CH(CH3)CH2OH with acidified Na2Cr2O7
B. passing CH3C(OH) CH3 over heated copper
C. ozonolysis of CH3CH2C(CH3)=CHCH3
D. acetylene on reaction with HgSO4/H2SO4
2 Consider the reaction and identify B and C 1
CH3CH2CH2CH2Cl NaOH +Ethanol. A
+
A H2O, H B and A (i) B2H6. (ii)H2O2, OH C
A
A. B=C= Butanol
B. B= Butanol, C=Butene
C. B= Butan-2-ol, C= Butanol
D. B= Butene, C=Butan-2-ol
3 The counter ion in the coordination compound [Co(NH3)5(NO2)] Cl2 is 1
A. Ammine
B. Cobalt
*Please note that the assessment scheme of the Academic Session 2024-25 will continue in the current
session i.e. 2025-26.
, C. Chloride
D. Nitro
4 The organic compounds A, B and C are amines having equivalent 1
molecular weight. A and B on reaction with benzene sulphonyl chloride
give white precipitate, however white precipitate obtained from
compound B remains insoluble in NaOH.
The variation in the boiling point of A, B and C can be seen as :
A. A> B>C
B. B>A>C
C. A=B > C
D. C>B>A
5 70 gm solute is dissolved in 700 gm solvent to prepare a solution 1
having density 1.5 g/ml. The ratio of its molality and molarity will be:
A. 0.77
B. 1.4
C. 0.73
D. 1.3
6 Match the column I and column II: 1
A. A-(i), B-(ii), C-(iii), D-(iv)
B. A-(iv), B-(ii), C-(iii), D-(i)
C. A-(i), B-(iii), C-(ii), D-(iv)
D. A-(iv), B-(iii), C-(ii), D-(i)
*Please note that the assessment scheme of the Academic Session 2024-25 will continue in the current
session i.e. 2025-26.
, 7 In o-cresol, the –OH group is attached to the carbon that is: 1
A. sp3 hybrid
B. sp2 hybrid
C. sp hybrid
D. dsp2 hybrid
8 Which of the following is laevorotatory in nature : 1
A. alpha D – glucose
B. beta -D- glucose
C. beta-D- fructose
D. sucrose
9 The name inner transition metals is often used to refer to the 1
A. lanthanoids
B. actinoids
C. both lanthanoids and actinoids
D. d block elements
10 Λ𝑜𝑚 CH3COOH can be calculated if the values of the following are 1
given:
1. Λ𝑜𝑚 HCl, Λ𝑜𝑚 KCl and Λ𝑜𝑚 CH3COOK
2. Λ𝑜𝑚 NaCl, Λ𝑜𝑚 KCl and Λ𝑜𝑚 CH3COONa
3. Λ𝑜𝑚 H2SO4, Λ𝑜𝑚 Na2SO4 and Λ𝑜𝑚 CH3COONa
A. Only 1
B. Either 1 or 2
C. Either 1 or 3
D. Either 2 or 3
11 Which of the following will give a yellow or orange ppt. with 2,4 1
DNP?
(i) Porpanal (ii) Propanone (iii) Propanoic acid
A. (i) and (ii)
B. (ii) and (iii)
C. (i) and (iii)
D. (i), (ii) and (iii)
*Please note that the assessment scheme of the Academic Session 2024-25 will continue in the current
session i.e. 2025-26.
