Multiple Choice
Which of the following is the correct chemical formula for sodium sulfite?
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3. Chemical Reactions
Naming Ionic Compounds
Multiple Choice
What is the correct name for the compound with the formula KOH?
A
Potassium oxide
B
Potassium hydride
C
Potassium hydroxide
D
Potassium peroxide
Verified step by step guidance1
Identify the elements present in the compound KOH: potassium (K), oxygen (O), and hydrogen (H).
Recognize that K is a metal (alkali metal) and typically forms a +1 cation (K\^+).
Understand that OH is a polyatomic ion called hydroxide, which carries a -1 charge (OH\^-).
Combine the cation and anion names: potassium (for K\^+) and hydroxide (for OH\^-).
Conclude that the correct name for KOH is potassium hydroxide, since it consists of potassium ions and hydroxide ions.
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