NEET Chemistry Redox Reactions Questions Solved


The oxidation number and covalency of sulphur in the sulphur molecule (S8) are respectively:

(a) 0 and 2

(b) +6 and 8

(c) 0 and 8

(d) +6 and 2

(a) Oxidation number in elemental form is zero. Co-valency is two because of S-S-S-S-chain.

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