Oxidation numbers of P in PO_4^{3-}, of S in SO_4^{2-} and that of Cr in Cr_2O^{2-}_7are respectively (2009)

Correct Answer is : +5,+6 and +6

Class 11 NEET Chemistry Redox Reactions Questions

Question : 20 of 28

Marks: +1, -0

Oxidation numbers of P in PO43−, of S in SO42− and that of Cr in Cr2O72−are respectively

(2009)

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