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Assertion : Aromatic aldehydes and forma...

Assertion : Aromatic aldehydes and formaldehyde undergo Cannizzaro reaction
Reason : Aromatic aldehydes are almost as reactive as formaldehyde.

A

If both assertion and reason are correct and reason is correct explanation for assertion.

B

If both assertion and reason are correct and reason is not correct explanation for assertion.

C

If assertion is correct but reason is incorrect.

D

If assertion as well as reason are both incorrect.

Text Solution

Verified by Experts

The correct Answer is:
C
Correct reason. Both aromatic aldehydes and formaldehyde donot have `alpha`-hydrogen and participtate in Cannizzaro reaction. However, aromatic aldehydes are less reactive than formalhyde.
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Why does formaldehyde undergo Cannizzaro's reaction while acetaldehyde gives aldol condensation?

DINESH PUBLICATION-ALDEHYDES AND KETONES -Asseration-Reason Type Question
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  2. Assertion : Alcohols are more boinling than aldehyes of comparable mol...

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  7. Assertion : Chloral hydrate is a stable compound. Reason : It is sta...

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  9. Assertion : alpha-hydrogen atoms in aldehydes or ketones are acidic. ...

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  11. Assertion : RCOCl is reduced to RCHO with H(2) using Pd//BaSO(4) catal...

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  12. Assertion : Grignard's synthesis is always carried in ethereal solutio...

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  13. Assertion : Cannizzaro's reaction is a disproportionation reaction. ...

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  15. Assertion : Aldol condensation can be catalysed both by acids and base...

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  17. Assertion : Aromatic aldehydes and formaldehyde undergo Cannizzaro rea...

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