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Tautomerism is exhibited by...

Tautomerism is exhibited by

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
(a). `C_(6)H_(5)-CH=CH-OH hArrC_(6)H_(5)-CH_(2)-CHO` (Aldehydes are more stable than vinyl alcohols)
(b). Does not show tautomerism since its `alpha`-hydrogen is not acidic enoug for migration.

(enol form, i.e., resorcinol is stabilized by resonance energy of the benzene ring)
.
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Knowledge Check

  • Tautomerism is exhibit by

    A
    B
    C
    D

  • Tautomerism is not exhibited by

    A
    B
    C
    D

  • Tautomerism is/are exhibited by

    A
    `(Me_(3)"CCO")_(3)` CH
    B
    C
    D
    • PRADEEP-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS -COMPETITION FOCUS JEE (MAIN AND ADVANCED)/MEDICAL ENTRANCE SPECIEAL (MULTIPLE CHOICE QUESTIONS-II WITH ONE OR MORE THAN ONE CORRECT ANSWER)
    1. Tautomerism is exhibited by

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