Question

a compound X on heating with a concentrated sulphuric acid at 443 Kelvin gives an unsaturated compound y

Answer 1

C2H5OH (ETHANOL) --(H2SO4)----- > C2H4 (ETHENE) + H2O

Compound x is ethanol and compound y is ethene....

Hope it will be helpful and contented...

Answer 2

Hi there!

Compound ‘X’ on heating with excess conc. sulphuric acid at 443 gives unsaturated compound.

$CH_3$-$CH_2$-OH + $H_2$ $SO_4$ → $CH_2$ = $CH_2$ + $H_{2} O$

Ethyl Alcohol [ Ethanol. ] + Sulphuric acid → Ethene + Water

Hope it helps!