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Question
\[\ce{Dry ice + A -> 2-Methylbutanoic acid}\]. In this reaction 'A' is:
Options
\[\begin{array}{cc}
\ce{CH3 - CH2 - CH - MgBr}\\
\phantom{....}|\\
\phantom{......}\ce{CH3}
\end{array}\]\[\begin{array}{cc}
\ce{CH3 - CH - CH2 - MgBr}\\
|\phantom{..........}\\
\ce{CH3}\phantom{........}
\end{array}\]\[\begin{array}{cc}
\ce{CH3 - CH - MgBr}\\
|\phantom{....}\\
\ce{CH3}\phantom{.}
\end{array}\]\[\begin{array}{cc}
\ce{CH3 - CH - CH - MgBr}\\
\phantom{..}|\phantom{......}|\phantom{.....}\\
\phantom{..}\ce{CH3}\phantom{...}\ce{CH3}\phantom{...}
\end{array}\]
MCQ
Solution
\[\begin{array}{cc}
\ce{CH3 - CH2 - CH - MgBr}\\
\phantom{....}|\\
\phantom{......}\ce{CH3}
\end{array}\]
Explanation:
shaalaa.com
Preparation of Carboxylic Acids
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