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Consider the following anions. (I) CF(...

Consider the following anions.
(I) `CF_(3)-overset(O)overset(||)underset(O)underset(||)(S)-O^(-)` (II) `C_(6)H_(5)-overset(O)overset(||)underset(O)underset(||)(S)-O^(-)` (III) (IV) `CH_(3)-overset(O)overset(||)(C)-O^(-)`
When attached to `sp^(3)`-hybridized carbon, their leaving group ability in nucleophilic substitution reactions decreases in the order

A

`I gt II gt III gt IV`

B

`I gt II gt IV gt III`

C

`IV gt I gt II gt III`

D

`IV gt III gt II gt I`

Text Solution

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The correct Answer is:
B
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ALLEN-ALKYL AND ARYL HALIDE-EXERCISE
  1. The order of decreasing nucleophilicity of the following is

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  2. The order of decreasing S(N)1 reactivities of the halides I CH(3)CH...

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  3. Consider the following anions. (I) CF(3)-overset(O)overset(||)unders...

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  4. The basicity of RO^(-),HO^(-),RCOO^(-),ROH and H(2)O are of the order-

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  5. Which of the following are aprotc solvents:

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  6. Which is/are true statements (s):

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  7. Ph-overset(Me)overset(|)underset(H)underset(|)(C)-OH overset(SOCI(2))u...

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  8. Which of the following undergoes Hydrolysis most easily:

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  9. A compound 'A' formula of C(3)H(6)CI(2) on reaction with alkali can gi...

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  10. Isobutyl magneisum bromide with dry ether and absolute alcohol gives

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  11. Following reaction is

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  12. On treatment with chlorine in presence of sunlight toluene gives the p...

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  13. In S(N^(1)) reaction an optically active substrates mainly gives

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  14. Alkyl iodide can be prepared by:-

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  15. Which of the following reagents can be used to prepare and alkyl halid...

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  16. Which of the following reactions depict the nucleophilic substitition ...

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  17. For an S(N^(2)) reaction which of the following statements are true:-

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  18. Which of the following is an S(N^(2)) reaction:-

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  19. Match the column I with column II.

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  20. Match the following.

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