Question

Read the passage given below and answer the following questions-


An acyclic organic compound ‘A’ with molecular formula C3H4 on hydration in the presence of H2SO4 /

HgSO4 gives compound ‘B’ (C3H6O). Compound ‘B’ gives white crystalline product with sodium hydrogen sulphite.

Compound ‘B’ gives negative Tollen’s test and positive idoform test. On drastic oxidation ‘B’ gives compound ‘C’

(C2H4O2) only.

1. What is the name of compound ‘B’.

a) Acetic acid b) Acetaldehyde c) Acetone d) Carboxylic acid

2. What is the IUPAC name of compound ‘C’.

a) Propanoic acid b) Ethanoic acid c) Ethanol d) Butanal

Or

Compound ‘C’ is formed by

a) Reduction b) Oxidation c) Drastic oxidation d) None of the above

3. Compound ‘A’ is-

a) Alkane b) Alkene c) Alkyne d) None of the above

4. Compound ‘A’ gives acetone on hydration which catalyst is used-

a) H2SO4 / HgSO4 b) Na/C2H5OH c) NaBH4 d) Li AlH4​

Answer 1

1.

c)acetone

2.

b)ethanoic acid

3.

c) alkyne

4.

a) H2SO4/ HgSO4