MCQ
Which of the following is not known
  • $NC{l_5}$
  • B
    $N{I_3}$
  • C
    $SbC{l_3}$
  • D
    $NC{l_3}$

Answer

Correct option: A.
$NC{l_5}$
a
(a) $NC{l_5}$ is not known because of absence of $d$ - orbitals in nitrogen.

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