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(A) Acetaldehyde does not show aldol co...

(A) Acetaldehyde does not show aldol condensation.
(R) Compounds having atlest one `alpha-` hydrogen give aldol condensation

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Aldol condensation reaction

Crossed Aldol Condensation

Knowledge Check

  • In aldol condensation

    A
    `alpha`- hydrogen attacks on carbonyl carbon
    B
    `alpha-` carbon attacks on carbonyl carbon
    C
    `beta-`carbon attacks onn carbonyl carbon
    D
    `beta-`hydrogen attacks on carbonyl carbon

  • Aldol condensation is:

    A
    self condensation of aldehydes only having altleast one alpha hydrongen
    B
    self condensation of ketones only having atleast one alpha hydrogen
    C
    self condensation of both aldehydes and ketones havings atleast one alpha hydrogen
    D
    self condensation of both aldehydes and ketones having no alpha hydrogen

  • Condition for aldol condensation is

    A
    presence of `beta-` hydrogen
    B
    presence of `alpha-`carbon
    C
    presence of `alpha-` hydrogen
    D
    either ( b) or ( c )

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    This does NOT undergo aldol condensation :

    An aldehyde can undergo the aldol condensation having

    Aldol condensation is given by

    on aldol condensation followed by heating gives

    on aldol condensation followed by heating gives

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