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Question

Chemistry Question on GROUP 1 ELEMENTS

Which of the following statements about Na2O2Na_2O_2 is not correct?

A

It is diamagnetic in nature.

B

It is a derivative of H2O2H_2O_2

C

Na2O2Na_2O_2 oxidises Cr3+Cr^{3+} to CrO42CrO_4^{2-} in acid medium.

D

It is the super oxide of sodium.

Answer

It is the super oxide of sodium.

Explanation

Solution

Na2O2Na_2O_2 is not the superoxide of sodium. It is peroxide of sodium.
The correct superoxide formula for sodium is NaO2NaO_2.

So, the correct option is (D): It is the super oxide of sodium.