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In a S(N)2 substitution reaction of the ...

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

A

`CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CH_(2)-Br`

B

`CH_(3)-CH_(2)-Br`

C

`CH_(3)-CH_(2)-CH_(2)-Br`.

D

`CH_(3)-underset(CH_(3))underset(|)(C)H-CH_(2)-Br`.

Text Solution

Verified by Experts

The correct Answer is:
B
The compound is primary alkyl halide with the smallest alkyl group. The bond cleavage is the easiest.
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DINESH PUBLICATION-HALOALKANES AND HALOARENES-Multiple choice
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  2. For the following (i) I^(-) (ii) Cl^(-) (iii) Br^(-) the increasin...

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

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  4. Predict the product 'C' in the following reaction of but-1-ene. unde...

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  5. The additio of HBr to but-1-ene gives a mixture of products (I),(II) a...

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  6. The correct order of increasing reactivity of C-X bond towards nucleop...

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  7. Which one is the most reactive towards S(N^(1)) reaction?

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  8. Which is a nucleophilic substitution reaction among the following?

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  9. The compound which does not undergo hydrolysis by S(N^(1)) mechanism i...

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  10. Consider the reaction: (i). (CH(3))(2)CH-CH(2)Broverset(C(2)H(5)OH)t...

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  11. In the following sequences of reaction CH(3)Broverset(KCN)toAoverset...

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  12. In the replacement reaction gtunderset(|)(C)-I+Mfto gt underset(|)(C...

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  13. Which of the following alkyl halides has the lowest boiling point?

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  14. 2,4,6-trinitrochlorobenzene on warming with water produces:

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  15. Wurtz reaction of methyl iodide yields an organic compound X. Which of...

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  16. What products are formed when the following compounds are treated with...

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  17. RCl+NaI overset("Acetone")rarr R-I+NaCl This reaction is known as

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  18. Two possible stereo-structures of CH(3)CHOHCOOH, which are optically a...

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  19. In the reaction with HCl, an alkene reacts in accordance with the mark...

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  20. In an S(N^(1)) reaction on chiral centres, there is

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