Question

Give two examples of trivalent metal ions.

Answer 1

Trivalent metal ions-

1. When a metal lost its three electrons and acquires a $+3$ charge on it then the metal ion is known as a trivalent metal ion.
2. Only metals have the tendency to form trivalent ions.

Example:-

${\mathrm{Fe}}^{+3}$ and ${\mathrm{Al}}^{+3}$