Question

Write the structures of the main products in the above reactions :

Answer 1

(i) Sodium borohydride is used for the reduction of aldehydes and ketones to alcohols. It will not reduce esters.
(ii) A molecule of water is added to $C=C$ double bond. $-OH$ group is added to the benzylic C atom.
(iii) Given ether reacts with HI. Ethyl iodide and phenol are the products. The bond between O and aromatic C is difficult to break and will require drastic conditions.