1.

Which of the following alkali metal cannot form superoxide?(a) Potassium(b) Lithium(c) Sodium(d) CesiumThis question was posed to me during an internship interview.My query is from s-Block Elements in division s-Block Elements of Chemistry – Class 11

Answer»

The correct CHOICE is (B) Lithium

For EXPLANATION I would say: All the alkali metals when heated with oxygen form DIFFERENT types of oxides. Lithium forms lithium oxide and some amount of lithium peroxide, while Sodium, Potassium, RUBIDIUM, and cesium can form superoxide.



Discussion

No Comment Found

Related InterviewSolutions