An organic compound (A) of molecular formula C_6H_6reacts with propylene in the presence of H_3PO_4 at 532 K gives (B) formula C_9H_12. (B) on air oxidation gives C_9H_12O_2as (C ).(C ) on acidification with H_2SO_4 gives (D) of formula C_6H_6O and (E) of formula C_3H_6O. Identify A,B,C,D and E and explain the reaction.

An organic compound (A) of molecular formula C_6H_6reacts with propyle

1.	An organic compound (A) of molecular formula C_6H_6reacts with propylene in the presence of H_3PO_4 at 532 K gives (B) formula C_9H_12. (B) on air oxidation gives C_9H_12O_2as (C ).(C ) on acidification with H_2SO_4 gives (D) of formula C_6H_6O and (E) of formula C_3H_6O. Identify A,B,C,D and E and explain the reaction.
Answer» SOLUTION :(i) (A) is identified as benzene from the molecular formula. (i) Benzene reacts with propylene in the presence of `H_3PO_4`gives cumene as (B). (iii) Cumene on AIR OXIDATION produces cumene hydroperoxide as (C). (iv) Cumene hydroperoxide on treatment with `H_2SO_4` yiclds phenol as (D) and acetone as (E).