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For each of the following pairs ofE2 rea...

For each of the following pairs of`E_2` reaction, select the one that occurs withthe greater rate constant
(1) `CH_(3)CH_(2)CH_(2)Cl + CH_(3) - overset(CH_3)overset(|)underset(CH_3)underset(|)C-O^-`
(2) `CH_(3)CH_(2)CH_(2)I + CH_(3) - overset(CH_3)overset(|)underset(CH_3)underset(|)C-O^-`
(3) `H_3C-underset(Br)underset(|)CH-CH_3 + CH_3O^-`
(4) `H_3C-underset(Br)underset(|)CH-CH_3 + CH_3S^-`

A

2,4,6

B

1,3,5

C

2,3,5

D

2,4,5

Text Solution

Verified by Experts

The correct Answer is:
C
`E_2` depends upon -(1)strong base (2) stable T.S. (3) leaving group ability.
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