Question

convert the following
a) Ethanol into ethene
b) phenol into benzene​

Answer 1

b)to convert phenol to benzene use zinc dust

a) to convert ethanol to ethene use concentrated sulphuric acid.

Answer 2

Answer:  for

                           a) heat ethanol in presence of conc. sulphuric acid

                           b)phenol can be converted into benzene by using strong reducing agents like Zn dust with strong heating.

Explanation: a) ethanol gets dehydrated

                      b) When strongly heated,the phenol gets converted into   phenoxide ion and proton thus released accepts an electron from Zn forming H radical.