Select the correct statement from the followi | vedclass

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(D) The oxides $(M_2O)$ and peroxides $(M_2O_2)$ of alkali metals have all electrons paired,making them diamagnetic and colorless. Superoxides $(MO_2)

Vedclass · Accepted Answer

All statements are correct.

Vedclass · Answer

(D) The oxides $(M_2O)$ and peroxides $(M_2O_2)$ of alkali metals have all electrons paired,making them diamagnetic and colorless. Superoxides $(MO_2)$ contain the superoxide ion $(O_2^-)$,which has one unpaired electron,making them paramagnetic. $Li$ forms only the oxide,and $Na$ forms the oxide and peroxide,but neither forms a stable superoxide under normal conditions. Therefore,all the given statements are correct.

List-$I$	List-$II$
$(a)$ $Li$	$(i)$ photoelectric cell
$(b)$ $Na$	$(ii)$ absorbent of $CO_{2}$
$(c)$ $K$	$(iii)$ coolant in fast breeder nuclear reactor
$(d)$ $Cs$	$(iv)$ treatment of cancer
	$(v)$ bearings for motor engines

Select the correct statement from the following.

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