\(\left.{F}_{2}>{ClF} \text { (inter halogen }\right)>{Cl}_{2}\)
\((ii)\) \({ClF}+{H}_{2} {O} \rightarrow {HOCl}+{HF}\)
\((iii)\) Oxidizing power in aqueous solution
\({F}_{2}>{Cl}_{2}>{Br}_{2}>{I}_{2}\)
$N{F_3},NO_3^ - ,B{F_3},{H_3}{O^ + },H{N_3}$