In which of the following reaction cyanide will be obtained as a major product

Q: In which of the following reaction cyanide will be obtained as a major product

c $(A)$ $\begin{matrix} O\,\, \\ ||\,\, \\ Ph-C-C{{H}_{3}} \\ \end{matrix}$ $\xrightarrow[{{H}_{3}}{{O}^{+}}]{LiAl{{H}_{4}}}$ $\begin{matrix} Ph-CH-C{{H}_{3}} \\ |\,\,\,\,\,\,\,\,\, \\ OH\,\,\,\, \\ \end{matrix}$ $(B)$ $\begin{matrix} O\,\, \\ ||\,\, \\ Ph-C-N{{H}_{2}} \\ \end{matrix}$ $\xrightarrow[B{{r}_{2}}]{KOH}Ph\,-\,N{{H}_{2}}$ $(C)$ $\begin{matrix} Ph-C-N{{H}_{2}} \\ ||\,\, \\ O\,\, \\ \end{matrix}$ $\xrightarrow[{{P}_{4}}{{O}_{16}}]{}PhCN$ $(D)$ $\begin{matrix} Ph-C-OH \\ ||\,\, \\ O\,\, \\ \end{matrix}$ $\xrightarrow[SOC{{l}_{2}}]{}$ $\begin{matrix} Ph-C-Cl \\ \,\,||\,\, \\ \,O\, \\ \end{matrix}$ $\xrightarrow{N{{H}_{3}}}$ $\begin{matrix} Ph-C-N{{H}_{2}} \\ \,\,||\,\,\,\,\,\, \\ \,O\,\,\,\, \\ \end{matrix}$

SECTION - A [CHEMISTY - MCQ]

GSEB - English Medium

In which of the following reaction cyanide will be obtained as a major product

A$\begin{matrix}
O\,\, \\
||\,\, \\
Ph-C-C{{H}_{3}} \\
\end{matrix}$ $\xrightarrow[{(i)\,{H_3}{O^ + }}]{{(i)\,LiAl{H_4}}}$
B$\begin{array}{*{20}{c}}
O\,\, \\
{||}\,\, \\
{Ph - C - N{H_2}}
\end{array}\,\xrightarrow[{B{r_2}}]{{NaOH}}$
C$\begin{array}{*{20}{c}}
O\,\, \\
{||}\,\, \\
{Ph - C - N{H_2}}
\end{array}\,\xrightarrow[\Delta ]{{{P_4}{O_{10}}}}$
D$\begin{array}{*{20}{c}}
O\,\, \\
{||}\,\, \\
{Ph - C - OH}
\end{array}\,\xrightarrow{{SoC{l_2}}}\xrightarrow{{N{H_3}}}$

Difficult

STD 11 Science
JEE
STD 12 - 9. Amines
Chemistry

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