CUET Preparation Today
Which of the following alkali metal cannot form superoxide? |
Potassium Lithium Sodium Cesium |
Lithium |
The correct answer is option 2. Lithium. When heated with oxygen, all alkali metals produce a variety of oxides. While sodium, potassium, rubidium, and cesium can produce superoxide, lithium only produces lithium oxide and a little quantity of lithium peroxide. |
