Advertisements
Advertisements
प्रश्न
Which of the following does not give Cannizzaro reaction?
पर्याय
(CH3)3C – CHO
(CH3)2 CH – CHO
HCHO
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Complete the following reactions:
Write a note on the self oxidation-reduction reaction of an aldehyde with a suitable example.
Write the equation involved in the following reaction:
Etard reaction
Complete the following reactions:
How will you convert acetone to acetone cyanohydrin?
Complete the following reaction:
Explain the following reaction:
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:
In the Cannizzaro reaction given below:
\[\ce{2Ph-CHO ->[OH^-] Ph-CH2OH + PhC\overset{-}{O}_2}\]
the slowest step is:
Benzaldehyde can be prepared by the hydrolysis of:
