Q. Barium burns in air to form
A) ${Ba}_{2}O_{2}$
B) ${BaO}_{2}$
C) $Ba(OH)_{2}$
D) $BaO$
Explanation
(d)
Alkaline earth metals combine directly with $O_{2}$ to form oxides which when further heated in presence of excess of $O_{2}$ form peroxides. Thus, $BaO$ is formed
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.