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Among the following structures the one w...

Among the following structures the one which is not a resonating structure of other is :

A

`IV`

B

`II`

C

`III`

D

`I`

Text Solution

Verified by Experts

The correct Answer is:
B
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OP TANDON-BASIC PRINCIPLES OF ORGANIC COMPOUNDS (MECHANISM OF ORGANIC REACTIONS)-OBJECTIVE QUESTIONS (Level-A)
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  2. Which of the following alkyl halides is hydrolysed by S(N^(1)) mechani...

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

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  4. Which is dehydrated to maximum extent using conc. H(2)SO(4)?

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  5. Which one of the following statements wrong about S(N^(2)) reaction?

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  6. Which of the following statements is not correct for a nucleophiles?

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  7. The addition of HBr to propylene takes place opposite to Markownikoff'...

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  8. Anti-Markownikoff's addition is not observed in:

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  9. Ammonia is iso-structural with:

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  10. Which of the following statements is correct?

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  11. Which of the following statements is correct about a carbocation?

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  12. S(N^(1)) mechanism for the hydrolysis of an alkyl halide involves the ...

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  13. Stability of overset(+)CH(2)-CH=CH(2) can be explained by:

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  14. Nucleophilic part of the reagent attacks the substrate CH(3)CH(2)COCH(...

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  15. Which of the following is electron deficient ?

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  16. Hyperconjugation is most useful for stabilizing which of the following...

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  17. Arrange the following in order of decreasing tendency towards S(N^(2))...

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  18. The peroxide effect in anti-Markownikoff's additon involves:

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  19. The decreasing order of strength of the bases, OH^(-), NH(2)^(-), H-C-...

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  20. Which one of the following reactions proceeds through free radical cha...

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