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The rate of the reaction is influen...

The rate of the reaction

is influenced by the hyperconjugation effect of group R. If R is sequentially
`CH_(3)^(-)` (II) `CH_(3)-CH_(2)`
(III) `CH_(3)-underset(CH_(3))underset(|)CH-` , (IV) `H_(3)C-overset(CH_(3))overset(|)underset(CH_(3))underset(|)C-`
the increasing order of speed of above reaction is

A

(iv), (iii), (ii), (i)

B

(i),(ii), (iii), (iv)

C

(i), (Iv), (iii), (ii)

D

(iii), (ii), (i), (iv)

Text Solution

Verified by Experts

The correct Answer is:
A
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OP TANDON-BASIC PRINCIPLES OF ORGANIC COMPOUNDS (MECHANISM OF ORGANIC REACTIONS)-OBJECTIVE QUESTIONS (Level-A)
  1. For the following (i) I^(-) (ii) Cl^(-) (iii) Br^(-) the increasin...

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  2. Which one of the following is correct? Formic acid has lower pK(a) t...

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  3. The rate of the reaction is influenced by the hyperconjugation ef...

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

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

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

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

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

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

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  10. Mesomeric effect invloves the :

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

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

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

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

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

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

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  17. Tertiary butyl chloride preferably undergo hydrolysis by:

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

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

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

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