S Block Elements

Question

A s-block element (M) reacts with oxygen to form an oxide of the formula MO₂. The oxide is pale yellow in colour and paramagnetic. The element (M) is :

Accepted Answer

Option D. The element (M) is potassium (K). It reacts with O₂ to form KO₂, which is paramagnetic in nature. All other elements form oxides or peroxides which are diamagnetic in nature.

More on S Block Elements

S Block Elements

More on S Block Elements