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Oxidation numbers of P in PO43− of Sin SO42− And that of Cr in Cr2O72− are respectively: [AIPMT 2009]
(a)+5, +6 and +6
(b)+3, +6 and +5
(c)+5, +3 and +6
(d)-3, +6 and +6

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Important Questions on Redox Reactions
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The oxidation number of the underlined atom in the following species is given. Identify the incorrect statement.

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