Answer: Option (A) is the correct answer.
Explanation:
The name of [tex]OH^{-}[/tex] ion is hydroxide.
Name of [tex]PO^{3-}_{3}[/tex] ion is phosphite.
Name of [tex]PO^{3-}_{4}[/tex] ion is phosphate.
Name of [tex]NH^{+}_{4}[/tex] ion is ammonia.
Name of [tex]C_{2}H_{3}O_{2}^{-}[/tex] ion is acetate.
Name of [tex]C_{2}O_{4}^{-}[/tex] ion is oxalate.
Thus, we can conclude that the symbols and names for the ions given correctly is OH-:hydroxide