In the reaction, C 6 H 5 C O C H 3 H Z n - H g / c o n c . H C l X , X is

Step-by-step solution

C 6 H 5 COCH 3 + H → C l e m m e n s e n ' s r e a c t i o n Z n + H g / c o n . H C l C 6 H 5 CH 2 CH 3