Benzaldehyde reacts with acetic anhydride in the presence of sodium acetate
at 180°C to give :
(a) Mandelic acid
(b) Cinnamic acid
(c) Malonic acid
(d) Benzoic acid
at 180°C to give :
(a) Mandelic acid
(b) Cinnamic acid
(c) Malonic acid
(d) Benzoic acid