MHT CET 2017 Chemistry Solved Paper

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Question : 5 of 50

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Identify the compound, in which phosphorus exists in the oxidation state of +1.

Phosphonic acid (H3PO3)
Phosphinic acid (H3PO2)
Pyrophosphorus acid (H4P2O5)
Orthophosphoric acid (H3PO4)

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