NEET Chemistry Redox Reactions Questions Solved

Sulphurous acid can be used as:

(a) oxidising agent

(b) reducing agent

(c) bleaching agent

(d) all of these

(d) S in H2SO3 is in +4 oxidation state. It lies in between its maximum and minimum oxidation state, i.e., +6 and -2 and thus, S can increase or decrease its ox. no. as the case may be.

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