The correct order of the following compounds showing increasing tendency towards nucleophilic substitution reaction is:
\( (iv) < (i) < (ii) < (iii) \)
\( (iv) < (i) < (iii) < (ii) \)
\( (iv) < (iii) < (ii) < (i) \)
\( (i) < (ii) < (iii) < (iv) \)
