1.

Which one of the following on hydrolysis , gives the correponding metallic hydroxide , H_(2)O_(2) and O_(2)

Answer»

`Li_(2)O`
`Na_(2)O_(2)`
`NaO_(2)`
`Na_(2)O`

Solution :`2NaO_(2) to 2H_(2)O to 2NaOH +H_(2)O_(2) +O_(2)`


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