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Question

Assertion :Both $$S{O}_{2}$$ and $$S{O}_{3}$$ are reducing agents Reason: Both $$S{O}_{2}$$ and $$S{O}_{3}$$ bleach the articles by reduction


A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is D Both Assertion and Reason are incorrect
$$SO_3$$ is not used as a reducing agent since it cannot donate a lone pair of electrons. The bleaching action of sulphur is based on oxidation. Since $$SO_3$$ cannot be used as a reducing agent, it cannot be used to bleach articles.

Chemistry

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