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Keto enol tautomerism is not observed in...

Keto enol tautomerism is not observed in:

A

Phenol

B

Glycerol

C

HCN

D

Benzophenone

Text Solution

Verified by Experts

The correct Answer is:
D

Here (d) `(Ph-oversetOoverset(||)C-Ph)`
does not have `alpha-H` atom and, therefore, does not show tautomerism.
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CENGAGE CHEMISTRY ENGLISH-ISOMERISM-Multiple choice questions (Exercise)
  1. Which of the following show stable or major form of tautomerism?

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  2. Keto enol tautomerism is not observed in:

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  3. Arrange the following in decreasing order of enol content: i. Diethy...

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  4. Which of the following will not show geometrical isomerism?

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  5. Which of the following will show geometrical isomerism ?

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  6. Which of the following are not resolvable?

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  7. Which of the following are resolvable ?

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  8. Which of the following is/are optically active?

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  9. The compounds are optically inactive because

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  10. The stable conformer (s) of trans-1-4- dimethyl] cyclohexane is/are:

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  11. The stable conformer (s) of cis-cyclohexane 1-3- diol is/are:

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  12. Which form (s) of cyclohexane is/are free from angle strain?

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  13. Which of the following statements is/are wrong, about the more stabili...

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  14. Which of the following methods are used for resolution ?

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  15. According to Baeyer's strain theory, which of the following is/are mos...

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  16. The angle strain in cyclohexane is :

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  17. Which of the following statements are correct?

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  18. Which of the following statement regarding 1,2- dimethylcyclopropane (...

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  19. Which of the following statements regarding 1,3- dimethyl cyclobutane ...

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  20. Which of the following statements regarding 1,3- dimethl cyclobutane i...

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