1.

For preparing H_(2)O_(2)in the laboratory

Answer»

`PbO_(2)`is added to ACIDIFIED solution of `KMnO_(4)`
`BaO_(2)` is added to `CO_(2)`bubbling through cold water
`MnO_(2)`is added to dilute cold `H_(2)SO_(4)`
`Na_(2)O_(2)`is added to BOILING water

Solution :`BaO_(2)+H_(2)O+CO_(2)rarr BaCO_(3)+H_(2)O_(2)`


Discussion

No Comment Found

Related InterviewSolutions