Question

please answer this question

Answer 1

X--> Ethanol.

Y-->Ethene.

Z-->Hydrogen gas.

Reaction:-

When ethanol is heated with excess of concentrated sulphuric acid at 443K,

it gets dehydrated to form Ethene(which is an unsaturated hydrocarbon)

C2H5OH------->C2H4+H2O

hope this answer will help you.