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The S(N^(1)) reactivity of the following...

The `S_(N^(1))` reactivity of the following halides will be in the order:
(i) `(CH_(3))_(3)C-Br`
(ii) `(C_(6)H_(5))CHBr`
(iii) `(C_(6)H_(5))_(2)C(CH_(3))Br`
(iv) `(CH_(3))_(2)CHBr`
(v) `C_(2)H_(5)Br`

A

(v) gt (iv) gt (iv) gt (iii)

B

(ii) gt (i) gt (iii) gt (v) gt (iv)

C

(i) gt (iii) gt (v) gt (ii) gt (iv)

D

(iii) gt (ii) gt (i) gt (iv) gt (v)

Text Solution

Verified by Experts

The correct Answer is:
D
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OP TANDON-BASIC PRINCIPLES OF ORGANIC COMPOUNDS (MECHANISM OF ORGANIC REACTIONS)-OBJECTIVE QUESTIONS (Level-A)
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  2. The rate of the reaction is influenced by the hyperconjugation ef...

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  3. The S(N^(1)) reactivity of the following halides will be in the order:...

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  4. The correct order of case of dehydration of following is:

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  5. The effect that makes 2,3-dimethyl-2-butene more stable than 2-butene ...

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  6. Condiser the reactions, (i) (CH(3))(2)CH-CH(2)Broverset(C(2)H(5)OH)r...

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  7. Which of the following is the most stable compound?

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  8. Hyperconjugation involves overlap of which of the following orbitals?

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  9. Mesomeric effect invloves the :

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  10. Which one of the following is most reactive towards electrophilic atta...

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  11. Which among the following statements are true with respect to electron...

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  12. The hydrolysis of 2-bromo-3-methylbutane by S(N^(1)) mechanism gives m...

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  13. The electrophile, E^((o+)) attacks the benzene ring to generate the in...

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  14. Which one of the following carbanions is the least stable?

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  15. CH(3)CH(2)Cl undergoes homolytic fission produces:

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  16. Tertiary butyl chloride preferably undergo hydrolysis by:

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  17. In a S(N^(2)) substitution reaction of the type R-Br+Cl^(-)overset("...

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  18. The correct stability order for the following speceis is :

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  19. Arrange the carbanions, (CH(3))(3)bar(C),bar(C)Cl(3),(CH(3))(2)bar(C)H...

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  20. Which of the following carbocations will be more stable?

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