1.

What is the oxidizing agent in the following equation ? HAsO_(2)(aq)+Sn^(2+)(aq)+H^(+)(aq)rarrAs(s)+Sn^(4+)(aq)+H_(2)Ol

Answer»

`HAsO_(2)(AQ)`
`Sn^(2+)(SQ)`
`H^(+)`(aq)
`Sn^(4+)(aq)`

Solution :In the GIVEN reaction `HasO_(2)` (Aq) is the oxidising agent SINCE the oxidation number of As decreases form +3 to 0


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