MCQ
In group $V-A$ of the periodic table nitrogen forms only a trihalide but other elements form pentahalides also. The reason is
  • A
    Nitrogen has less affinity towards halogens
  • B
    Nitrogen halides are covalent
  • C
    Nitrogen undergoes ${d^2}s{p^3}$ hybridization
  • Nitrogen does not have $d$ - orbitals

Answer

Correct option: D.
Nitrogen does not have $d$ - orbitals
d
(d) ${N_7}$-$1{s^2},\,2{s^2},\,2{p^3}$

$d$ - orbitals absent in second sub-shell.

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