7.20 What happens when sulphur dioxide is passed through an aqueous solution of Fe(III) salt?
When we pass sulphur dioxide through an aqueous solution of Fe(III) salt, it converts iron(III) ions to iron(II) ions.
Iran-Israel Conflict: CBSE postpones Class 12 board exams 2026 in Middle East countries
Iran-Israel War: CBSE cancels Class 10th, postpones 12th exams in middle east countries
CBSE Class 12 Psychology Analysis: Paper ‘easy, well-balanced’; case-based, mix of theory, application
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