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A metal on combustiion in excess air for...

A metal on combustiion in excess air forms X.X upon hydrolysis with water yields `H_(2)O_(2) and O_(2)` along with another product. The metal is :

A

Rb

B

Li

C

Mg

D

Na

Text Solution

Verified by Experts

The correct Answer is:
A
`Rb+underset("excess")(O_2) to RbO_2`
`2RbO_2 + 2H_2O to 2RbOH + H_2O_2 + O_2 `
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MODERN PUBLICATION-S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS ) -COMPETITION FILE ( MULTIPLE CHOICE QUESTION (B))
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