A) \[{{C}_{2}}{{H}_{2}}\]
B) \[{{C}_{2}}{{H}_{4}}\]
C) \[{{C}_{3}}{{H}_{4}}\]
D) \[{{C}_{4}}{{H}_{6}}\]
Correct Answer: A
Solution :
\[\underset{\text{Ethyne}}{\mathop{CH\equiv CH}}\,+{{H}_{2}}O\underset{{{H}_{2}}S{{O}_{4}}}{\mathop{\xrightarrow{HgS{{O}_{4}}}}}\,\underset{\text{Vinyl}\,\text{alcohol}}{\mathop{C{{H}_{2}}=CH-OH}}\,\xrightarrow{KMn{{O}_{4}}}\]\[C{{H}_{3}}CHO\xrightarrow{\text{Oxidation}}\underset{\text{Acetic}\,\,\,\text{acid}}{\mathop{C{{H}_{3}}COOH}}\,\]
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