1.

\[{{C}_{2}}{{H}_{2}}\underset{{{H}_{2}}S{{O}_{4}}}{\mathop{\xrightarrow{HgOH\,\,1%}}}\,A\xrightarrow{[O]}B\], B is [CBSE PMT 1991; BHU 1995]

A.                 An acid
B.                 An aldehyde
C.                 A ketone            
D.                 Ethanol
Answer» B.                 An aldehyde


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