Question

The no. of electrons present in one mole of Azide ion are $\left(N_3{}^{-}\right)$:

• A. $21N_A$
• B. $20N_A$
• C. $22N_A$
• D. $43N_A$

Answer 1

The correct option is C $22N_A$

Azide ion $=N_3^{-}$
No. of electrons in one $N_3^{-}$ ion $=21+1$