A) \[\underset{\begin{smallmatrix} | \\ C{{H}_{2}} \end{smallmatrix}}{\mathop{C{{H}_{2}}}}\,(OOC{{H}_{3}})\]
B) \[\underset{\begin{smallmatrix} | \\ C{{H}_{2}}-(OOC-C{{H}_{3}}) \end{smallmatrix}}{\mathop{C{{H}_{3}}}}\,\]
C) \[{{\underset{\begin{smallmatrix} | \\ CH-(OOC-C{{H}_{3}}) \end{smallmatrix}}{\mathop{C{{H}_{3}}}}\,}_{2}}\]
D) None of the above
Correct Answer: C
Solution :
\[CH\equiv CH+C{{H}_{3}}COOH\xrightarrow{(H{{g}^{2+}})}\]\[{{H}_{2}}\underset{vinylacetate}{\mathop{G=CH-}}\,OCOC{{H}_{3}}\] \[\xrightarrow{C{{H}_{3}}COOH}C{{H}_{3}}\underset{ethylidene\,\,acetate}{\mathop{-CH(O-}}\,COC{{H}_{3}}{{)}_{2}}\]
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