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प्रश्न
What is the oxidation state of sulfur in the following?
Sulfurous acid
उत्तर
Sulfurous acid, H2SO3:
2 × (+1) + (Oxidation state of S) + 3 × (−2) = 0
2 + (Oxidation state of S) − 6 = 0
Hence, oxidation state of ‘S’ in H2SO3 = +4
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