Question Detail
Question
Sodium and potassium primarily form which type of oxide containing the O₂²⁻ ion?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Page 8 explicitly states, 'Sodium and potassium form peroxides containing the more complicated O₂²⁻ ion.'
Hint
Look for the specific ion mentioned for sodium and potassium's oxide formation.