The order of reactivity of the following compounds towards ammonia is
`underset((I))(CH_(3)-I)" "underset((II))(CH_(3)-Br)" "underset((III))(CH_(3)-Cl)`
A. `I gt II gt III`
B. `I lt II lt III`
C. `I lt II gt III`
D. `I lt III gt II`.

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1 Answers

Correct Answer - A
Reaction of an alkyl halide with `NH_(3)` is an example of nucleophilic substitution. As the bond strength order is `C-I lt C-Br lt C-Cl`. `R-I` reacts at fastest at faster rate with `NH_(3)` and `R-Cl` at a slower rate.

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