Chemistry, asked by Anoushkanath1511, 11 months ago

Why SO2 behave as bleaching show

Answers

Answered by sarah050

Explanation:

Bleaching by sulphur dioxide is temporary as atmospheric oxygen re-oxidizes the bleached matter after some time. ... The bleaching action sulphur dioxide is due to its reducing action. The colour of pigment on exposure to SO2 gets reduced to a colourless compound.

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