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AMU Engineering 2018 solved paper Solved Paper

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Question : 60

Total: 150

The following reactions show the H2O2 behaviour in I and II reactions as:
I. PbS(s)+4H2O2(aq)→PbSO4(s) +4H2O(l)
II. HOCl+H2O2→H3O++Cl−+O2

Oxidising in acidic medium and reducing in basic medium
Reducing in acidic medium and oxidising in basic medium
Oxidising in acidic medium and reducing in acidic medium
Reducing in acidic medium and oxidising in acidic medium

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