What name should be used for the ionic compound KOH?
Answer
A
potassium oxide
B
potassium oxygen hydride
C
potassium hydroxide
D
potassium hydrogen oxide
Explanation
KOH contains potassium ions (K⁺) and hydroxide ions (OH⁻). Ionic compounds with the hydroxide ion are named using “hydroxide,” so KOH is potassium hydroxide.
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