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Aldehyde : R-CHO :: Ketones :...

Aldehyde : R-CHO :: Ketones : ________

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R-CO-R
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Aldehydes and ketones have high boiling point as compared to hydrocarbons and ethers of comparable molecular mass and less than that of alcohols. Give reason.

Aldehyde turns pink with

Knowledge Check

  • In swern method of oxidation of alcohols to aldehyde/ketones ______ is used as an oxidising agent.

    A
    dimethyl sulfoxide
    B
    pyridimum chloro chromate
    C
    `CrO_(3)` in anhydrousmedium
    D
    `Na_(2)Cr_(2)O_(7)|H^(+)`

  • Reduction of ketone gives _______ .

    A
    Primary alcohol
    B
    Secondary alcohol
    C
    Primary amide
    D
    Secondary amide

  • Aldehydes can be oxidised by

    A
    Tollen's reagent
    B
    Fehling solution
    C
    Benedict solution
    D
    All of these

    • Similar Questions

    Explore conceptually related problems

    Aldehydes and ketones are reduced to hydrocarbon by the action of ....

    Assertion(A): Aldehydes and ketones have high high boiling point as compared to hydrocarbon and ether of comparable molecular mass. Reason (R): It is due to weak molecular association in aldehydes and ketones arising out of the dipole - dipole interactions

    Aldehydes and ketones are reduced to hydrocarbons by zinc amalgam and conc. HCl. This is _______ reaction.

    Assertion(A): Aldehydes and ketones have high dipole moment. Reason (R): The carbonyl group of aldehydes and ketones contain a double bond between carbon and oxygen. Oxygen is more electronegative than carbon and it attracts the shared pair of electron which makes the carbonyl group as polar.

    Assertion(A): Carboxylic acid do not give the characteristic reaction of carbonyl group as given by aldehyde and ketone. Reason (R): The carbonyl carbon of carboxylic acid is involved in resonance

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