06-02-2025, 12:52 PM
Download CBSE 12th std Compartment Exam Chemistry question paper from the attachment below.
Some question asked for the exam are:
1. The chemical test which can be used to distinguish between ethanamine and aniline is :
(A) Haloform test
(B) Tollens' test
© Azo dye test
(D) Hinsbergtest
2. Write the reaction involved in the following
(a) Reimer-Tiemann reaction
(b) Kolbe's reaction
3. Give chemical tests to distinguish between the following pair of compounds:
(i) Propanal and Propanone
(ii) Benzaldehyde and Benzoic acid
4. Give plausible explanation for the following :
(a) Diazonium salts of aromatic amines are stable.
(b) Aniline does not undergo Friedel-Crafts reaction.
© Aniline on nitration gives a substantial amount of meta product.
5. Name the metal in the first transition series which exhibits +1 oxidation state most frequently.
6. Transition metals and their compounds are good catalysts. Justify.
For detailed question paper, click here
CBSE Class 12 Compartment Exam Question paper 2024 Chemistry.pdf (Size: 474.08 KB / Downloads: 217)
Some question asked for the exam are:
1. The chemical test which can be used to distinguish between ethanamine and aniline is :
(A) Haloform test
(B) Tollens' test
© Azo dye test
(D) Hinsbergtest
2. Write the reaction involved in the following
(a) Reimer-Tiemann reaction
(b) Kolbe's reaction
3. Give chemical tests to distinguish between the following pair of compounds:
(i) Propanal and Propanone
(ii) Benzaldehyde and Benzoic acid
4. Give plausible explanation for the following :
(a) Diazonium salts of aromatic amines are stable.
(b) Aniline does not undergo Friedel-Crafts reaction.
© Aniline on nitration gives a substantial amount of meta product.
5. Name the metal in the first transition series which exhibits +1 oxidation state most frequently.
6. Transition metals and their compounds are good catalysts. Justify.
For detailed question paper, click here
CBSE Class 12 Compartment Exam Question paper 2024 Chemistry.pdf (Size: 474.08 KB / Downloads: 217)