Question

Correctly identify the charges on the anions in the below mentioned compounds.

• A. -1
• B. -3
• C. -2

Answer 1

The charges of the ions in the above compounds are-

Compound	Cation	Anion
$KMn{O}_4$	$K^{+}$	$Mn{O}_4^{-}$
$H_{3}P{O}_4$	$H^{+}$	$P{O}_4^{-3}$
$CaC{O}_3$	$C{a}^{+2}$	$C{O}_3^{-2}$