Which of the following equations depict the oxidising nature of H2O2?

1
\(\rm 2MnO^-_4\)  + 6H+ 5H2O2 → 2Mn2+ + 8H2O + 5O2
2
2Fe3+ + 2H+ + H2O2 → 2Fe2+ + 2H2O + O2
3
2I- + 2H+ H2O2 → I+ 2H2O  
4
KIO4 + H2O2 → KIO3 + H2O + O2

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