Identify correct reactivity order for $\mathrm{S}_{\mathrm{N}} 1$ reaction (i) (ii) (iii)

Identify correct reactivity order for $\mathrm{S}_{\mathrm{N}} 1$ reaction
(i)


(ii)

(iii)

1. $\mathrm{i}>\mathrm{ii}>\mathrm{iii}$
2. $\quad$ ii $>\mathrm{iii}>\mathrm{i}$
3. $\mathrm{i}>\mathrm{iii}>\mathrm{ii}$
4. $\mathrm{iii}>\mathrm{ii}>\mathrm{i}$

Solution

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Asked in: JEE-TOPICTESTS-CHEMISTRY

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