Q. Which of the following oxides is formed when potassium metal is burnt is excess of air?
A) ${KO}_{2}$
B) $K_{2}O_{2}$
C) $KO$
D) $K_{2}O$
Explanation
The correct answer is Option A: ${KO}_{2}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.