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Consider the following reaction : M + O2...

Consider the following reaction : `M + O_2 rarr underset("superoxide")(MO_2)` (M = alkali metal)
Select the correct statement :

A

`Na_2O_2`

B

`KO_2`

C

`Na_2O`

D

`Cs_2O_2`

Text Solution

Verified by Experts

The correct Answer is:
B
All superoxides liberate oxygen with water :
`2O_(2)^(-) + 2H_2O_((l)) rarr 2OH_((aq.))^(-) + H_(2)O_(2(l)) + O_(2(g))`
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