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Which of the following gas was traditionally used to bleach paper?

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in Chemistry – Class 11 by (148k points)
Which of the following gas was traditionally used to bleach paper?

(a) Sulfur

(b) Carbon dioxide

(c) Chlorine

(d) Fluorine

I have been asked this question in semester exam.

I would like to ask this question from Green Chemistry in chapter Environmental Chemistry of Chemistry – Class 11

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Right choice is (c) Chlorine

To explain I would say: Chlorine gas was used to bleach paper. It has good oxidizing properties. Nowadays H2O2 with a suitable catalyst is used for bleaching purposes as it does not contaminate groundwater.

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