Question

write the dehydration reaction of ethanol

Answer 1

C2H5OH+H2SO4---> CH2=CH2+H2O

Answer 2

HI

HERE IZ UR ANSWER.

Ethanol on heating with concentrated Sulphuric acid gives Ethene.

Ethanol = C2H5OH ( CnH2n+2 )
Ethene = C2H4 ( CnH2n )

C2H5OH -------------- C2H4 + H2O when it is heated at 170 degree celsius in the presence of Concentrated Sulphuric acid.

HOPE IT HELPS