Question

Find the odd one out: Chloride, Nitrate, Hydride, Ammonium

Answer 1

1. Chloride is denoted as ${\mathrm{Cl}}^{-}$
2. Nitrate is denoted as ${\mathrm{NO}}_3^{-}$
3. Hydride is denoted as ${\mathrm{H}}^{-}$
4. Ammonium is denoted as ${\mathrm{NH}}_4^{+}$

So, From the above-given ions, we can see that except Ammonium$\left({\mathrm{NH}}_4^{+}\right)$ all are anions.