question_answer

Which of the following gases when passed through warm dilute solution of \[{{H}_{2}}S{{O}_{4}}\] in presence of \[HgS{{O}_{4}}\] gives acetaldehyde                                       [EAMCET 1986]

A)                 \[C{{H}_{4}}\]   

B)                 \[{{C}_{2}}{{H}_{6}}\]

C)                 \[{{C}_{2}}{{H}_{4}}\]    

D)                 \[{{C}_{2}}{{H}_{2}}\]