AIPMT 2010 Physics and Chemistry Paper

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Question : 76 of 100

Marks: +1, -0

Oxidation states of P in H4P2O5,H4P2O6,H4P2O7 are respectively:

+3,+5,+4
+5,+3,+4
+5,+4,+3
+3,+4,+5

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