MHT CET 2025 Chemistry question

Not in JEE Main or NEET syllabus

Which from following elements form superoxide with air?

(A)Li
(B)Na
(C)KCorrect
(D)Mg

Answer: (C)

Solution

On burning in air or excess oxygen, the alkali metals give different oxides depending on the size of the cation: Li forms the normal oxide (A), Na forms mainly the peroxide (B), while the larger K, Rb and Cs form the

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-101795