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In a S(N^(2)) substitution reaction of t...

In a `S_(N^(2))` substitution reaction of the type
`R-Br+Cl^(-)overset("DMF")rarrR-Cl+Br^(-)`
Which one of the following has the highest relative rate?

A

`(CH_3)_3C-CH_2Br`

B

`CH_3CH_2Br`

C

`CH_3CH_2CH_2Br`

D

`(CH_3)_2CH-CH_2Br`

Text Solution

Verified by Experts

The correct Answer is:
B
Smaller the size of alkyl group faster is rate of `S_N2` reaction
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NARAYNA-HALOALKANE AND HALOARENES-EXERCISE - 3
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  2. Ethyl chloride reats with sodium ethoxide to form a compound 'A' which...

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

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  4. Which one of the following has the highest relative rate ?

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  5. Trichloroacetaldehyde, C Cl(3)CHO reacts with chlorobenzene in presenc...

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  6. Propionic acid with Br(2)/P yields a dibromo product. Its structure wo...

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  7. Which of the following reactions is an example of nucleophilic substit...

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  8. Consider the following reaction C2H5Cl+AgCNoverset("EtOH"//H2O)rarrX ...

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  9. The best method for the conversion of an alcohol into an alkyl chlori...

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  10. The correct order of increasing reactivity of C –X bond towards nucleo...

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  11. Which one is most reactive towards S(N)1 reactions ?

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  12. In the following reaction C2H6C(CH3)(C6H5)Br

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  13. Which of the following is the least reactive towards nucleophile?

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  14. Methyl bromide reacts with AgF to give methyl fluoride and silver brom...

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  15. The correct order of reactivity of the halides ethyl chloride (I) iso-...

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  16. The order of rate of hydrolysis of alkyl halides 1^(@),2^(@),3^(@) and...

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  17. Which one is most reactive towards S(N)1 reactions ?

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  18. Decreasing order of reactivity in Williamson synthesis orf the followi...

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  19. Which of the following is the least reactive towards nucleophile?

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  20. Which one is a nucleophile substitution reaction among the following ?

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