Assertion : Superoxides of alkali metals are paramagnetic.
Reason : Superoxides contain the ion `O_2^-` which has one unpaired electron.

Options

A. If both (A) and (R) are correct and (R) is the correct explanation of (A).
B. If both (A) and (R) are correct, but (R) is not the correct explanation of (A).
C. If (A) is correct, but (R) is incorrect.
D. If both (A) and (R) are incorrect.

Answer

A

Explanation

Presence of unpaired electrons in superoxides of alkali metals make them paramagnetic.