On combustion of Li, Na and K in excess of air, the major oxides formed, respectively, are : (A) Li2 — JEE Mains Chemistry Past Papers Chemistry Question
Question
On combustion of Li, Na and K in excess of air, the major oxides formed, respectively, are : (A) Li2O, Na2O and K2O2 (B) Li2O2, Na2O2 and K2O2 (C) Li2O, Na2O2 and K2O (D) Li2O, Na2O2 and KO2
Answer: D
💡 Solution & Explanation
On heating in excess air Li form oxide sodium form peroxide while K, Rb, Cs form superoxide. | JEE MAIN-2020 | DATE : 04-09-2020 (SHIFT-1) | PAPER-1 | OFFICIAL PAPER | CHEMISTRY PAGE # 4
💬Ask on WhatsApp →
Still have doubts about this question?
Send it to our AI chemistry tutor on WhatsApp — gets answered in minutes