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Assertion: p-hydroxybenzoic acid has a l...

Assertion: `p-`hydroxybenzoic acid has a lower boiling point than `o-`hydroxybenzoic acid.
Reason : `o-`hydroxybenzoic acid has nteramolecular hydrogen bonding

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

Correct Assertion: o-hydroxyhbenzoic acid has lower boiling point than p-hydroxybenzoic acid.
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(A) p-Hydroxy benzoic acid has a lower boiling point than o-hydroxy benzoic acid. (R) a-Hydroxy benzoic acid has intramolecular hydrogen bonding.

Statement-I: p-Hydroxybenzoic acid has a lower boiling point that o-hydroxybenzoic acid. Because Statement-II: o-Hydroxybenzoic acid has intramolecular hydrogen bonding.

Statement I : p-Hydroxybenzoic acid has a lower boiling point than o-hydroxybenzoic acid. Statement II o-Hydorxybenzoic acid has intramolecular hydrogen bonding.

Statement-1: p-Hydroxybenzoic acid has a lower boiling point then o-hydroxybenzoic acid. Statement-2: o-Hydroxybenzoic acid has a intramoleculer hydrogen bonding.

o-hydroxybenzoic acid is less/more acidic than p-hydroxy benzoic acid.

m-Hydroxybenzoic acid is a stronger acid than benzoic acid while p-hydroxybenzoic acid is weaker. Explain.

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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