A solution of sulphur dioxide in water reacts with $H_{2} S$ precipitating sulphur. Here sulphur dioxide acts as

As oxidising agent

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A reducing agent

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An acid

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A catalyst

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Solution

The correct option is A As oxidising agent
When sulphur dioxide reacts with $H_{2} S$ , $S O_{2}$ acts as an oxidising agent (gets reduced itself) and $H_{2} S$ acts as a reducing agent (gets oxidised).

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A solution of sulphur dioxide in water reacts with $H_{2} S$ precipitating sulphur. Here sulphur dioxide acts as

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A solution of sulphur dioxide in water reacts with H2S precipitating sulphur. Here sulphur dioxide acts as

The correct option is A As oxidising agentWhen sulphur dioxide reacts with H2S, SO2 acts as an oxidising agent (gets reduced itself) and H2S acts as a reducing agent (gets oxidised).

A solution of sulphur dioxide in water reacts with $H_{2} S$ precipitating sulphur. Here sulphur dioxide acts as

The correct option is A As oxidising agent
When sulphur dioxide reacts with $H_{2} S$ , $S O_{2}$ acts as an oxidising agent (gets reduced itself) and $H_{2} S$ acts as a reducing agent (gets oxidised).