JEE Main 2016 Question Paper

Section: Chemistry

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Question : 18 of 90

Marks: +1, -0

The pair in which phosphorous atoms have a formal oxidation state of +3 is:

[Main 2016]

Pyrophosphorous and hypophosphoric acids
Orthophosphorus and hypophosphoric acids
Pyrophosphorous and pyrophosphoric acids
Orthophosphorous and pyrophosphorous acids

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