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Assertion: The rate of addition reaction...

Assertion: The rate of addition reaction of alcohol on aldoehyde can be increased by adding small amount of base.
Reason : Addition of alcohols to an aldehyde from acetal.

A

If Both assertion and reason are true reason is the correct explation of the assertion.

B

If Both assertion and reason are true but reason is not the correct explation of the assertion.

C

If assertion is true but reason is false.

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
D
Base will decrease the rate of reaction.
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A2Z-ALDEHYDES, KETONES AND CARBOXYLIC ACID-Section B - Assertion Reasoning
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  2. Assertion: The acetate ion is resonance stablized Reason : Acetate i...

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  3. Assertion: p-hydroxybenzoic acid has a lower boiling point than o-hydr...

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  4. Assertion: Aromatic aldehydes can be distinguished from aliphatic alde...

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  5. Assertion: Paracids are stronger acids than corresponding carboxylic a...

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  6. Assertion: Acerylic acid (CH(2) - CHCOOH) is a weaker acid than benzon...

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  7. Assertion: Acetoacetic ester (CH(3)COCH(2)COOHH(5)) contains CH(3)CO g...

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  8. Assertion: 2-Butanal lacks enolisable H-atom , alpha- to carbonyl grou...

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  9. Assertion: Formic acid reduces Tollens reagent. Reason : Compounds c...

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  10. Assertion: Aldehyde and keton ungergo nucleophilic addition reaction w...

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  11. Assertion: The rate of addition reaction of alcohol on aldoehyde can b...

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  12. Assertion: Compound II is more reaction towards nuclophilic additio...

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  13. Assertion: NaHSO(3) is used in separation and purification of aldehyde...

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  14. Assertion: Dehydration of aldol takes place by the following mechanism...

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  15. Assertion: Cinnamaldehyde (Ph - CH = CH - CHO) falls to undergo aldol ...

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  16. Assertion: C CI(3)CHO froms an isolable crystaline hydrate. Reason :...

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  17. Assertion: Acetal are easily converted to present carbonyl compound. T...

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  18. Assertion: Acetaldehyde reacts with nitromethane in presence of dil. N...

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  19. Assertion: The addition of ammonia derivative to a carbonyl compound i...

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  20. Assertion: HCHO is always oxidized in the crossed Cannizzaro reaction...

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