Which of the following species has four lone pairs of electrons?\

Question

Professor PC Thomas Classes · Answer

(c) : Outer electronic configuration of $\mathrm{Cl}=3 s^{2} 3 p_{x}{ }^{2} 3 p_{y}^{2} 3 p_{z}{ }^{1}$ Outer electronic configuration of $\mathrm{Cl}^{-}=3 s^{2} 3 p_{x}^{2} 3 p_{y}^{2} 3 p_{z}^{2}$, i.e., 4 lone pair of electrons