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प्रश्न
Which of the following does not give Cannizzaro reaction?
पर्याय
(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
Describe the following:
Cannizzaro reaction
Complete the following reactions:
Complete the following reactions:
Write the product formed when p-nitro chlorobenzene is heated with aqueous NaOH at 443K followed by acidification?
complete the following reaction:
\[\begin{array}{cc}
\phantom{...}\ce{CH3} \\
| \\
\phantom{.................}\ce{CH3-CH-COOH ->[(i) Br2/Red P4][(ii)H2O]}
\end{array}\]
The products obtained in the Cannizzaro reaction are
The key step in cannizzaro reaction in the inter molecular shift qf
\[\begin{array}{cc}
\ce{D}\phantom{........................}\\
|\phantom{.........................}\\
\ce{2D - C = O + OH^- ->[Cannizzaro] X and Y}
\end{array}\]
(Y is alcohol, D is deuterium)
X and Y will have the structure:
Calcium acetate, on heating, gives:
Benzaldehyde can be prepared by the hydrolysis of:
