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Why is sulfur-dioxide reducing while tellurium-dioxide is oxidising agent?

Why is sulfur-dioxide reducing while tellurium-dioxide is oxidising agent?

Grade:11

1 Answers

Aman Bansal
592 Points
12 years ago

Dear Partha,

Sulfur dioxide (also sulphur dioxide) is the chemical compound with the formula SO2. It is a poisonous gas that is released by volcanoes and in various industrial processes. Since coal and petroleum often contain sulfur compounds, their combustion generates sulfur dioxide unless the sulfur compounds are removed before burning the fuel. Further oxidation of SO2, usually in the presence of a catalyst such as NO2, forms H2SO4, and thus acid rain.[2] Sulfur dioxide emissions are also a precursor to particulates in the atmosphere. Both of these impacts are cause for concern over the environmental impact of these fuels.

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