The correct order of the following compounds showing
Question:

The correct order of the following compounds showing increasing tendency towards nucleophilic substitution reaction is :

1. $(i v)<(i)<(i i i)<(i i)$

2. $(\mathrm{i} v)<(\mathrm{i})<(\mathrm{ii})<(\mathrm{iii})$

3. $(i)<(i i)<(i i i)<(i v)$

4. $($ iv $)<($ iii $)<($ ii $)<($ i $)$

Correct Option: , 3

Solution: