Hydrogen peroxide acts both as an oxidising and as a reducing agent de – McqOptions

MCQOPTIONS

1.	Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases \[{{H}_{2}}{{O}_{2}}\] acts as a reducing agent in acid medium?
A.	\[MnO_{4}^{-}\]
B.	\[C{{r}_{2}}O_{7}^{2-}\]
C.	\[SO_{3}^{2-}\]
D.	KI
Answer» B. \[C{{r}_{2}}O_{7}^{2-}\]

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