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Which of the following structure is leas...

Which of the following structure is least stable?

A

B

C

D

All are equally stable

Text Solution

Verified by Experts

The correct Answer is:
A
Structure a is unstable because have positive charge is present on C carrying -I group which will further intensity (locative ) the charge making the species unstable.
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  2. Which of the following statement is true.

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  3. Which of the following structure is least stable?

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  4. Which of the following is comparatively stable?

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  5. Which of the following is not an example of friedel-craft reaction.

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  6. When carbon tetrachloride is treated with excess of Benzene in presenc...

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  7. Which of the following statement is true?

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  8. What happens when aniline is treated with methyl chloride in presence ...

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  9. Which of the following is a nonaromatic.

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  10. Which of the following structures are aromatic

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  11. Purine has four nitrogen atoms, which one of them is expected to be ba...

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  12. C6H6 +CH2Cl2 overset(AlCl3)to C , excess .

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  13. The correct order of increasing basic nature for the following compoun...

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  14. The increasing order of the acidic nature of the following compounds i...

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  15. In Huckel's (4n+2) rule of for aromaticity, 'n' represents

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  16. Which of the following are conjugated dienes?

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  17. What is the correct order of exothermicity for hydrogenation of the fo...

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  18. Which of the following arrangements of p orbitals gives the lowest ene...

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  19. Which of the following dienes undergoes the least exothermic hydrogena...

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