Question
Study the following sequence of reactions and identify the product $$(Y).$$
Study the following sequence of reactions and identify the product $$(Y).$$
\[C{{H}_{3}}CHO+HCHO\xrightarrow[\text{heat}]{\text{dil}\text{.}\,NaOH}\] \[X\xrightarrow[{{H}_{3}}{{O}^{+}}]{HCN}Y\]
A.
\[C{{H}_{2}}=CH\underset{\begin{smallmatrix}
|\,\,\,\,\, \\
OH\,\,
\end{smallmatrix}}{\mathop{-CH-}}\,COOH\]
B.
\[C{{H}_{3}}\underset{\begin{smallmatrix}
| \\
\,\,\,OH
\end{smallmatrix}}{\overset{\begin{smallmatrix}
\,\,\,CN \\
|
\end{smallmatrix}}{\mathop{-C-}}}\,COOH\]
C.
\[C{{H}_{3}}C{{H}_{2}}\underset{\begin{smallmatrix}
|\,\,\,\,\,\, \\
OH\,\,\,
\end{smallmatrix}}{\mathop{-CH-}}\,COOH\]
D.
\[C{{H}_{2}}=CH\underset{\begin{smallmatrix}
|\,\,\,\,\,\, \\
CN\,\,\,
\end{smallmatrix}}{\mathop{-CH-}}\,COOH\]
Answer :
\[C{{H}_{2}}=CH\underset{\begin{smallmatrix}
|\,\,\,\,\, \\
OH\,\,
\end{smallmatrix}}{\mathop{-CH-}}\,COOH\]
Solution :
