A and B in the following reactions are \[R-\underset{\underset{O}{\mathop{||}}\,}{\mathop{C}}\,-{R}'\underset{KCN}{\mathop{\xrightarrow{HCN}}}\,A\xrightarrow{B}\begin{matrix} R \\ R \\ \end{matrix}\,>C

\[A=RR'C<\begin{array}{*{35}{l}} OH \\ COOH \\ \end{array},\,\,B-N{{H}_{3}}\]

A and B in the following reactions are \[R-\underset{\underset{O}{\mat

1.	A and B in the following reactions are \[R-\underset{\underset{O}{\mathop{\|\|}}\,}{\mathop{C}}\,-{R}'\underset{KCN}{\mathop{\xrightarrow{HCN}}}\,A\xrightarrow{B}\begin{matrix} R \\ R \\ \end{matrix}\,>C
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.	\[A=RR'C{{H}_{2}}CN,B=NaOH\]
Answer» B. \[A=RR'C<\begin{array}{*{35}{l}} OH \\ COOH \\ \end{array},\,\,B-N{{H}_{3}}\]

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A and B in the following reactions are \[R-\underset{\underset{O}{\mathop{||}}\,}{\mathop{C}}\,-{R}'\underset{KCN}{\mathop{\xrightarrow{HCN}}}\,A\xrightarrow{B}\begin{matrix} R \\ R \\ \end{matrix}\,>C

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