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The Cannizaro Reaction

A mixture of ...

Question

A mixture of benzaldehyde and formaldehyde on heating with aqueous NaOH solution gives:

A

Benzyl alcohol and sodium formate

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B

Sodium benzoate and methyl alcohol

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C

Sodium benzoate and sodium formate

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D

Benzyl alcohol and methyl alcohol

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Solution

The correct option is A Benzyl alcohol and sodium formate
Crossed Cannizzaro reaction.
$P h C H O + H C H O N a O H - --- \to H C O O N a + P h C H_{2} O H$

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Similar questions

Q. A mixture of benzaldehyde and formaldehyde on heating with aqueous NaOH solution gives :

Q. A mixture of benzaldehyde and formaldehyde on heating with

N a O H

solution gives :

Q. A mixture of benzaldehyde and formaldehyde on heating with aqueous

N a O H

solution gives:

Q. A mixture of benzaldehyde and formaldehyde when treated with 50% NaOH yields:

Q. The gas liberated on heating a mixture of two salts with

N a O H

, give a reddish brown precipitate with an alkaline solution of

K_{2} H g l_{4}

. The aqueous solution of the mixture on treatment with

B a C l_{2}

gives a white precipitate which is sparingly soluble in concentrated

H C l

. On heating the mixture with

K_{2} C r_{2} O_{7}

and concentrated

H_{2} S O_{4}

(A)

are produced. The aqueous solution of the mixture gives a deep blue ppt.

(B)

with Potassium ferricyanide solution. Identify the radicals.

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The Cannizaro Reaction

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