Which of the following is the industrial method of preparation of acetaldehyde

Options

A. `CH_(3)CN underset(HCl)overset(SnCl_(2))to CH_(3)CN =NH overset(H_(3)O^(+))to`
B. `CH_(3)COCl+H_() underset(BaSO_(4))overset(Pd)to CH_(3)CHO +HCl`
C. `CH_(2)=CH_(2)+H_(2)O overset(Pd^(2+))to CH_(3)CHO`
D. All of the above

Answer

C

Explanation

`CH_(2)=CH_(2)+H_(2)O underset("Wacker's process")overset(Pd^(2+))to CH_(3)CHO+2H^(+)`