Oxidation number of iodine in IO₃⁻, IO₄⁻, KI and I₂ respectively are

Oxidation number of iodine in IO₃⁻, IO₄⁻, KI and I₂ respectively are

(a) -1, -1, 0 , 1
(b) 3, 5, 7, 0
(c) 5, 7, -1, 0
(d) -1, -5, -1, 0

5, 7, -1, 0

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KL2008

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