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Question

Chemistry Question on Redox reactions

Oxidation number of Mo in Ammonophosphomolybdate

Answer

(NH4)3PMo12O40 or (NH4)3PO4.12MoO3
+3 + 5 +12x – 80 = 0
12x = 80 – 8
12x = 72
x = 6

So, the oxidation number of Mo is 6