Question

Which one among the following is not paramagnetic?

• A. $B{e}^{-}$
• B. $N{e}^{2+}$
• C. $C{l}^{-}$
• D. $A{s}^{+}$

Answer 1

The correct option is C $C{l}^{-}$

$C{l}^{-}$ ion is not paramagnetic. It is dimagnetic as all electrons are paired. It has electronic configuration $\left[Ne\right]3s^{2}3p^6$