Question

a compound x on heating with excess sulphuric acid at443k give an unsaturated cimpound y,x and z write reaction of the formation of y and also write the role of sulphuric acid in the reaction​

Answer 1

Hey mate!

here is your answer:

Compound X is ETHANOL

Compound Y is ETHENE

Compound Z is H20

Sulphuric acid is used as dehydrating agent.

hope it helped ^_^

Answer 2

the compound  is  ethanol CH3CH2OH and the compound y is ethene

the reaction takes place as follows

        CH3CH2OH-----------in presence of con.H2SO4 in 443K------CH2=CH2(ethene) +H2O