Question

4. A non-metal ‘X’ on heating forms a gas ‘Y’. upon adding few drops of water to the gas sulphurous acid is formed.

Answer 1

Answer:

Compound X is ethanol

Compound Y is ethene

Compound Z is hydrogen gas.

C

2

H

5

OH

sulphuric acid

C

2

H

4

+H

2

O

Hot concentrated sulphuric acid is a strong dehydrating agent. It reacts with ethanol to give ethene by removing water.

C

2

H

5

OH+Na→C

2

H

5

ONa+H

2