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प्रश्न
Which of the following does not give Cannizzaro reaction?
विकल्प
(CH3)3C – CHO
(CH3)2 CH – CHO
HCHO
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उत्तर
(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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संबंधित प्रश्न
Complete the following reactions:
Write a note on the self oxidation-reduction reaction of an aldehyde with a suitable example.
Describe the following:
Cannizzaro reaction
Write the product(s) in the following reactions
complete the following reaction:
\[\begin{array}{cc}
\phantom{...}\ce{CH3} \\
| \\
\phantom{.................}\ce{CH3-CH-COOH ->[(i) Br2/Red P4][(ii)H2O]}
\end{array}\]
Complete the following reaction:
Explain the following reaction:
Cannizzaro reaction
What happens when methanal undergoes cannizzaro reaction?
In the Cannizzaro reaction given below:
\[\ce{2Ph-CHO ->[OH^-] Ph-CH2OH + PhC\overset{-}{O}_2}\]
the slowest step is:
Convert the following:
Benzene to m-nitrobenzaldehyde
