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The most stabl enol tautomer of MeCOCH(2...

The most stabl enol tautomer of `MeCOCH_(2)CO_(2)` Et is-

A

`CH_(2)=C(OH)CH_(2)CO_(2)Et`

B

`MeC(OH)=CHCO_(2)Et`

C

`MeCOCH=C(OH)OEt`

D

`CH_(2)=C(OH)CH=C(OH)OEt`

Text Solution

Verified by Experts

The correct Answer is:
B

Keto - carbonyl is more active in enolisation than estercarbonyl.
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CHHAYA PUBLICATION-ORGANIC CHEMISTRY : BASIC PRINCIPLES AND TECHNIQUES -ENTRANCE QUESTION BANK
  1. Under identical conditions, the S(N)1 reaction will occur most efficie...

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  2. Which one of the following characteristics belongs to an electrophile-

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  3. The most stabl enol tautomer of MeCOCH(2)CO(2) Et is-

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  4. Order of stability of the carbocations: ph(2)overset(oplus)(C)CH(2)Me(...

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  5. MeCH(2)CH=CH(2) is stable than Me(2)C=CH(2)because-

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  6. (+) and (-) - Lactic acid have the same molecular formula, C(3)H(6)O(3...

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  7. Which of the following statement is correct for 2 - butene-

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  8. Basicity of aniline is less than methyl amine, because-

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  9. Tautomerism is exhibited by-

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  10. Amongst the following, the one which can exist in free state as a stab...

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  11. Correct pair of compounds which gives blue colouration/ precipitate an...

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  12. The IUPAC name of the compound X is-

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  13. The optically active molecule is-

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  14. (+) - 2 - chloro - 2 - phenylethane in toluene racemises slowly in the...

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  15. The order of decreasing ease of abstraction of hydrogen atoms in the f...

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  16. The most likely protonation site in the given molecule is-

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  17. The 4 - th higher homologue of ethane is-

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  18. Among the following structures the one which is not a resonating struc...

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  19. The correct order of decreasing length of the bond as indicated by the...

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  20. IUPAC name of the molecule, is-

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