Question

Select the correct formula for the Hydroxide ion.

• A. $H^{+}$
• B. $H^{-}$
• C. $O{H}^{-}$
• D. $H_2$

Answer 1

The correct option is C

$O{H}^{-}$

A simple negative ion's name will always end with -ide suffix. The positive ion's name is always same as the element.

Hydroxide is a diatomic anion with chemical formula OH⁻. It consists of an oxygen and a hydrogen atom held together by a covalent bond and carries a negative electric charge.