What is the correct name for the compound with the formula KOH?

• A. Potassium oxide
• B. Potassium hydride
• C. Potassium hydroxide
• D. Potassium peroxide

Answer: (C)

Verified step by step guidance

1. Identify the elements present in the compound KOH: potassium (K), oxygen (O), and hydrogen (H).
2. Recognize that K is a metal (alkali metal) and typically forms a +1 cation (K\^+).
3. Understand that OH is a polyatomic ion called hydroxide, which carries a -1 charge (OH\^-).
4. Combine the cation and anion names: potassium (for K\^+) and hydroxide (for OH\^-).
5. Conclude that the correct name for KOH is potassium hydroxide, since it consists of potassium ions and hydroxide ions.