Which of the following statements is false?

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(D) The reaction of superoxides with water is given by: $2MO_2 + 2H_2O \rightarrow 2MOH + H_2O_2 + O_2$. Thus,superoxides produce both hydrogen peroxi

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$KO_2$ is a peroxide which with $H_2O$ forms hydrogen peroxide only.

Vedclass · Answer

(D) The reaction of superoxides with water is given by: $2MO_2 + 2H_2O \rightarrow 2MOH + H_2O_2 + O_2$. Thus,superoxides produce both hydrogen peroxide $(H_2O_2)$ and oxygen $(O_2)$ with water. $CrO_3$ is indeed an acidic oxide. $SnO_2$ is an amphoteric oxide as it reacts with both acids and bases. $KO_2$ is a superoxide,not a peroxide. Therefore,the statement '$KO_2$ is a peroxide which with $H_2O$ forms hydrogen peroxide only' is false.

List-$I$	List-$II$
$(a)$ $Li$	$(i)$ Poor water solubility of $I^{-}$ salt
$(b)$ $Na$	$(ii)$ Most abundant element in cell fluid
$(c)$ $K$	$(iii)$ Bicarbonate salt used in fire extinguisher
$(d)$ $Cs$	$(iv)$ Carbonate salt decomposes easily on heating

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