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An aqueous solution of a gas (X) gives the following reactions: It decolourizes an acidified K_(2)Cr_(2)O_(7) solution. |
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Answer» Solution :`X-SO_(2)` `K_(2)Cr_(2)O_(7)+H_(2)SO_(4)+3SO_(2) rarr K_(2)SO_(4)+Cr_(2)(SO_(3))_(3)+H_(2)O` |
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