p -Block elements - ll — Chemistry STD 12 Science — Question

Asn - Ser  $+\,\underset{(excess)}{\mathop{{{(C{{H}_{3}}CO)}_{2}}O}}\,\xrightarrow{NE{{t}_{3}}}P$

Where $A$ is $PCl^+_4$ while $B$ is $PCl^-_ 6$

Which of the following statement is INCORRECT :

$(I)$ $B$ to $A$ involvement of number of $d-$orbital in hybridization increases

$(II)$ $A$ to $B$ precentage of $p-$character in $P-Cl$ bond increases

$(III) $ Number of covalent bond in $A$ and $B$ are same

$(IV)$ $B$ is product of Lewis acid-base interaction which is associated with super octet molecule only