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Question
Which of the following does not give Cannizzaro reaction?
Options
(CH3)3C – CHO
(CH3)2 CH – CHO
HCHO
Solution
(CH3)2 CH – CHO
Explanation:
Aldehydes which do not have an α-hydrogen atom, undergo self-oxidation and reduction (disproportionation) reaction on heating with concentrated alkali. Such reactions are known as Cannizzaro reactions.
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RELATED QUESTIONS
Write the chemical equation for the reaction involved in Cannizzaro reaction.
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Cannizzaro reaction
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Complete the following reactions:
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The products obtained in the Cannizzaro reaction are
What happens when methanal undergoes cannizzaro reaction?
\[\begin{array}{cc}
\ce{D}\phantom{........................}\\
|\phantom{.........................}\\
\ce{2D - C = O + OH^- ->[Cannizzaro] X and Y}
\end{array}\]
(Y is alcohol, D is deuterium)
X and Y will have the structure:
Write the chemical reaction involved in Cannizzaro reaction of methanal.
