1.

In which of the following reactions \[{{H}_{2}}{{O}_{2}}\]is a reducing agent [CPMT 1981; NCERT 1981; BHU 1999]

A.                 \[2FeC{{l}_{2}}+2HCl+{{H}_{2}}{{O}_{2}}\,\to \,2FeC{{l}_{3}}+2{{H}_{2}}O\]
B.                 \[C{{l}_{2}}+{{H}_{2}}{{O}_{2}}\,\,\to \,\,2HCl+{{O}_{2}}\]
C.                 \[2HI+{{H}_{2}}{{O}_{2}}\,\to \,\,2{{H}_{2}}O+{{I}_{2}}\]
D.                 \[{{H}_{2}}S{{O}_{3}}+{{H}_{2}}{{O}_{2}}\,\to \,\,{{H}_{2}}S{{O}_{4}}+{{H}_{2}}O\]
Answer» C.                 \[2HI+{{H}_{2}}{{O}_{2}}\,\to \,\,2{{H}_{2}}O+{{I}_{2}}\]


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