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Aldehydes and ketones are amphoteric. Th...

Aldehydes and ketones are amphoteric. Thus they can act both as acids and bases. Under acidic conditions, the carbon of the protonated canbonyl group is much more electrophilic, reacting even with weak nucleopphilie. Carbonyl compound gives nucleophilic addition reaction. In this reaction the nucleophilic attack proceeds the elecrophilic attack.
Which of these statements are correct?

A

Carbonyl compound is amphoteric in character

B

Acid catalyst makes the carbonyl more electrophilic

C

basic catalyst makes the nucleophilic attack more faster.

D

All of these

Text Solution

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The correct Answer is:
D
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Aldehydes and ketones are amphoteric. Thus they can act both as acids and bases. Under acidic conditions, the carbon of the protonated canbonyl group is much more electrophilic, reacting even with weak nucleopphilie. Carbonyl compound gives nucleophilic addition reaction. In this reaction the nucleophilic attack proceeds the elecrophilic attack. Which of the statements are//is correct?

Aldehydes and ketones are amphoteric. Thus they can act both as acids and bases. Under acidic conditions, the carbon of the protonated canbonyl group is much more electrophilic, reacting even with weak nucleopphilie. Carbonyl compound gives nucleophilic addition reaction. In this reaction the nucleophilic attack proceeds the elecrophilic attack. Which one of the carbonyl compounds is more reactive towards NaCN//H^(+) ?

Aldehydes and ketones are amphoteric. Thus they can act both as acids and bases. Under acidic conditions, the carbon of the protonated canbonyl group is much more electrophilic, reacting even with weak nucleopphilie. Carbonyl compound gives nucleophilic addition reaction. In this reaction the nucleophilic attack proceeds the elecrophilic attack. Carbonyl compounds gives nucleophilic addition with

Carboxylic acids contain carbonyl group but do not show the nucleophilic addition reactions like aldehydes or ketones. Why?

Aldehyde and ketone undergo nucleophilic addition reaction because of polarity between gtC=O group . The reactivity of carbonyl groups toward nucleophile depends upon the nature of inductive effect of froup present at carbonyl carbon. Nucleophilic addition reaction over carbonyl compound is shown by :

Aldehyde and ketones are specially susceptible susceptible to nucleophile addition because carbonyl group (due to electronegatvity different between carbon and oxygen). Positive charge on carbon makes it reactive towards the nucleophile. This addition is catalysed by acid. Reactivity of carbonyl compound towards nucleophilic addition increases in the electron deficience at carbonyl carbon. Thus, (-I.E.) group increase while (+I.E.) groups decrease the reactivity of carbonyl compound Which of the following is most reactve to give nucleophilic addition?

ALLEN-ALKENE, ALKANE & ALKYNE -EXERCISE-3
  1. Aldehyde, ketone, acid and acid derivatives contain gtC=O group. Aldeh...

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  2. Aldehyde, ketone, acid and acid derivatives contain gtC=O group. Aldeh...

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  3. Aldehydes and ketones are amphoteric. Thus they can act both as acids ...

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  4. Aldehydes and ketones are amphoteric. Thus they can act both as acids ...

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  5. Aldehydes and ketones are amphoteric. Thus they can act both as acids ...

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  6. Aldehydes and ketones are amphoteric. Thus they can act both as acids ...

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  7. Aldehyde and ketones are specially susceptible susceptible to nucleoph...

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  8. Aldehyde and ketones are specially susceptible susceptible to nucleoph...

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  9. Aldehyde and ketones are specially susceptible susceptible to nucleoph...

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  10. Aldehyde and ketones are specially susceptible susceptible to nucleoph...

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  11. Aldehyde and ketones are specially susceptible susceptible to nucleoph...

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  12. The origin of acidity and basicity in organic compound is great intere...

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  13. The origin of acidity and basicity in organic compound is great intere...

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  14. The origin of acidity and basicity in organic compound is great intere...

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  15. The origin of acidity and basicity in organic compound is great intere...

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  16. The origin of acidity and basicity in organic compound is great intere...

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  17. Diazonium salt formation and coupling reaction: When a reaction mixtur...

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  18. Diazonium salt formation and coupling reaction: When a reaction mixtur...

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  19. Diazonium salt formation and coupling reaction: When a reaction mixtur...

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  20. Amines are derivatives of ammonia and are classified as 1^(@), 2^(@), ...

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