Question

A type of ion found in potassium phosphate is:

• A. $X^{+}$
• B. $X^{2+}$
• C. $X^{3+}$
• D. $X{O}_3^{2-}$
• E. $X{O}_4^{2-}$

Answer 1

Answer: (A), (E)

$X{O}_4^{2-}$
$X^{+}$

Potassium phosphate is a generic term for the salts of potassium and phosphate ions which include: monopotassium dihydrogen phosphate $\left(K{H}_{2}P{O}_4\right)$ and dipotassium monohydrogen phosphate $HP{O}_4^{2-}$. They contain potassium ions $K^{+}$ which are ions of type $X^{+}$ and phosphate ions $P{O}_4^{2-}$ ions which are ions of the type $X{O}_4^{2-}$