Which is incorrect for given reaction sequence C H_3 - CN [ (2) ,… - Vidyadip

MCQ

Which is incorrect for given reaction sequence $C{H_3} - CN\xrightarrow[{(2)\,{H_2}O}]{{(1)\,C{H_3}MgBr}}X\xrightarrow{{2,4 - DNP}}Y$

✓
$X = $ $\begin{array}{*{20}{c}}
{C{H_3} - C - C{H_3}} \\
{||\,} \\
{O\,}
\end{array};$
B
$Y$ is formed as red-organge precipitate
C
$Y$ is formed by nucleophilic addition elimination mechanism
D
None

✓

Answer

Correct option: A.

$X = $ $\begin{array}{*{20}{c}}
{C{H_3} - C - C{H_3}} \\
{||\,} \\
{O\,}
\end{array};$

a

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