Question

 A compound ‘X’ on heating with excess conc. sulphuric acid at 443 K

gives an unsaturated compound ‘Y’. ‘X’ also reacts with sodium metal to

evolve a colourless gas ‘Z’. Identify ‘X’, ‘Y’ and ‘Z’. Write the equation of

the chemical reaction of formation of ‘Y’ and also write the role of

sulphuric acid in the reaction. ​

Answer 1

Compound X is ethanol

Compound Y is ethene

Compound Z is hydrogen gas

C2H5OH---------》C2H4+H20

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

Answer 2

Answer:

X-ethanol

Y-ethene

Z-Hydrogen gas

Explanation:

chemical equation of Y:

CH3CH2OH gives CH2doublebondingCH2 + H2O (water)

sulphuric acid is used to dehydrate ethanol to give ethene

hope it helps