`{:("List I",,"List II"),("(P) CC " l_(4),,"(1) maximum 3 bonds are of equal length"),("(Q) " PCl_(5),,"(2) all bonds are of equal length"),("(R) " PF_(3)Cl_(2),,"(3) does not exist"),("(S)" NCl_(5),,"(4) polar"):}`

Options

A. `{:(P,Q,R,S),(1,3,4,2):}`
B. `{:(P,Q,R,S),(3,1,2,4):}`
C. `{:(P,Q,R,S),(2,1,4,3):}`
D. `{:(P,Q,R,S),(2,4,1,3):}`

Answer

C

Explanation

(S) `NCl_(5) rArr NCl_(5)` does not exist due to absence of vacant d -orbitals.