Home
Class 12
CHEMISTRY
Why are alpha-hydrogen atom of aldehydes...

Why are `alpha`-hydrogen atom of aldehydes and ketones acidic in nature?

Text Solution

Verified by Experts

This is on account of the reason that the remaining carbonions left after the abstraction of `alpha`-hydrogen atom by the base are resonance stabilised. For more details. consult section `8` (adol Condensation).
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ALDEHYDES AND KETONES

    DINESH PUBLICATION|Exercise Higher Order Thinking Skills|6 Videos

  • ALDEHYDES AND KETONES

    DINESH PUBLICATION|Exercise Practice Test|7 Videos

  • ALDEHYDES AND KETONES

    DINESH PUBLICATION|Exercise Additional Important Question|35 Videos

  • ALCOHOLS AND PHENOLS

    DINESH PUBLICATION|Exercise Matrix|9 Videos

  • ALKALI EARTH METALS

    DINESH PUBLICATION|Exercise Unit test-12|5 Videos

Similar Questions

Explore conceptually related problems

Give reasons : (i) The alpha -hydrogen atoms of aldehydes and ketones are acidic in nature. (ii) Propanone is less reactive than ethanal towards addition of HCN. (iii) Benzoic acid does not give Friedel-Crafts reaction.

Reactions of aldehyde and ketones

Knowledge Check

  • In aldehydes and ketones

    A
    Carbonyl carbon is nucleophilic and carbonyl oxygen is electrophilic
    B
    Carbonyl carbon, is slectrophilic and carbonyl oxygen is nucleophilic
    C
    Both are electrophilic
    D
    Both are nucleophilic

  • Aldehydes and ketone are

    A
    tautomers
    B
    chain isomers
    C
    functional isomers
    D
    position isomers

  • Aldehydes and ketones are

    A
    Chain isomers
    B
    Functional isomers
    C
    position isomers
    D
    Optical isomers

    • Similar Questions

    Explore conceptually related problems

    Reactions of aldehyde and ketones

    Reactions of aldehyde and ketones-2

    Reactions of aldehyde and ketones-1

    Aldehyde and ketones are

    Aldehydes and ketones give

    Home
    Profile