A) \[A=RR'C<\begin{matrix} CN \\ OH \\ \end{matrix},B-LiAl{{H}_{4}}\]
B) \[A=RR'C<\begin{array}{*{35}{l}} OH \\ COOH \\ \end{array},\,\,B-N{{H}_{3}}\]
C) \[A=RR'C<\begin{matrix} CN \\ OH \\ \end{matrix}\ ,B={{H}_{3}}{{O}^{\oplus }}\]
D) \[A=RR'C{{H}_{2}}CN,B=NaOH\]
Correct Answer: A
Solution :
\[R-CO-R\,'\xrightarrow{HCN}R-\underset{\text{(}A\text{)}}{\mathop{\underset{_{CN}^{\,|}\,\,\,\,\,}{\overset{_{\,|}^{OH}\,\,\,\,}{\mathop{C-R\,'}}}\,}}\,\xrightarrow{LiAl{{H}_{4}}}\] \[R-\underset{_{R\,'}^{\,|}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\overset{_{\,|}^{OH}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C-C{{H}_{2}}N{{H}_{2}}}}}\,\]
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