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Sulphuric Acid

How many of t...

Question

How many of the following can be oxidising agent?
$H_{2} S, H_{2} S O_{4}, H_{2} S O_{3}, H_{2} S_{2} O_{3}$

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Solution

Oxidising agent should be able to undergo reduction. $H_{2} S$ can no more undergo reduction.
thiosulphuric acid represents an intermediate stage of oxidation between sulphur and sulphurous acid.

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