Q48 · CSIR-NET Chemistry, June 2019

Paper: CSIR-NET June 2019 · Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Marks: 2 · Difficulty: Easy

The oxidation state of sulphur in the dithionous and dithionic acids, respectively, are
(a)+4, +6
(b)- $4,+5$
(c)+3, +5
(d)$+3,+6$
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
Dithionous acid H₂S₂O₄: S is +3; dithionic acid H₂S₂O₆: S is +5.

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