Take 5ml hydrogen peroxide (H.0, solution in a test tube. Add some MnO² into it.
a. Which is the gas evolved ? How will you identify it
b. What is the function of MnO in this reaction? (1) hl
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if u want observation then it is here
Observation : The burning matchstick flares up. Reason: In the presence of manganese dioxide, hydrogen peroxide decomposes quickly and liberates oxygen gas. The presence of oxygen flaring up of the match stick .
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