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Question: In the following compound, the order of decreasing reactivity of different chlorine atoms towards Na...

In the following compound, the order of decreasing reactivity of different chlorine atoms towards NaSH in non aqueous solvent is :

A

I > IV > II > III

B

IV > I > II > III

C

I > IV > III> II

D

III > II > IV > I

Answer

I > IV > II > III

Explanation

Solution

NaSH in non aqueous solvent gives SN2 reaction.

Rate of SN2 reaction.

 > R-O-CH2-X > R-CH2-X > 2º > 3º\text{ > R-O-C}\text{H}_{2}\text{-X > R-C}\text{H}_{2}\text{-X > 2}\text{º}\text{ > 3}\text{º}