Chemistry · CBSE

Board exam

2026Class 12Set 56/1/170 marks33 questions

12 of its 33 questions are here. The rest have a figure or are still being checked, so for now they're only in the official PDF.

Sit this paper against the clock, marked by its official answers, or get a new paper like it. Sign in first; practising is part of Pro.

Source: CBSE Board Examination 2026, Class 12 Chemistry (043), paper 56/1/1, published by CBSE. CBSE's ZIP of every set

Download PDF

12 questions

Q2Section A1 mark
$Which of the following solutions will have the lowest freezing point in water ?$
1. A $0.1 M Glucose$
2. B $0.1 M CaCl₂$
3. C $0.1 M KCl$
4. D $0.1 M Urea$
Q3Section A1 mark
$Which of the following is not a transition metal ?$
1. A $Sc$
2. B $Ag$
3. C $Hg$
4. D $Cu$
Q4Section A1 mark
$Which of the following represents the fraction of molecules with energies equal to or greater than Eₐ ?$
1. A $+ Eₐ/RT$
2. B $e⁻ᴱᵃ/ᴿᵀ$
3. C $- Eₐ/RT$
4. D $e⁺ᴱᵃ/ᴿᵀ$
Q5Section A1 mark
$What will happen during the electrolysis of aqueous solution of CuCl₂ by using platinum electrodes ?$
1. A $Cu will deposit at Anode$
2. B $H₂ gas will be released at cathode$
3. C $O₂ gas will be released at anode$
4. D $Cl₂ gas will be released at anode$
Q6Section A1 mark
$Aspirin is obtained by acetylation of$
1. A $Phenol$
2. B $Salicylaldehyde$
3. C $2-Hydroxybenzoic acid$
4. D $Benzoic acid$
Q7Section A1 mark
$The secondary valency of Co in the complex [Co(NH₃)₅(NO₂)]²⁺ is$
1. A $5$
2. B $1$
3. C $4$
4. D $6$
Q8Section A1 mark
$At low temperature, phenol reacts with dil. HNO₃ to yield$
1. A $2, 4, 6-Trinitrophenol$
2. B $o-Nitrophenol only$
3. C $p-Nitrophenol only$
4. D $ortho-and para-nitrophenol$
Q9Section A1 mark
$Which of the following is ‘not’ true about enantiomers ?$
1. A $They have the same chemical reactivity.$
2. B $They have the same specific rotation.$
3. C $They have the same melting or boiling point.$
4. D $They have the same refractive index.$