Question: The correct order of the following compounds showing increasing tendency towards nucleophilic substitution reaction is :
$(i v)<(i)<(i i i)<(i i)$
$(\mathrm{i} v)<(\mathrm{i})<(\mathrm{ii})<(\mathrm{iii})$
$(i)<(i i)<(i i i)<(i v)$
$($ iv $)<($ iii $)<($ ii $)<($ i $)$
Correct Option: , 3
Solution:
