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Q.

Oxidation state of +1 for phophorous is found in the oxyacid

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a

H₃PO₄

b

H₄P₂O₇

c

H₃PO₂

d

H₃PO₃

answer is C.

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Detailed Solution

Hypo phosphorous acid or phosphinic acid (H₃PO₂) is a monobasic acid having +1 oxidation state for phosphorus.

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Oxidation state of +1 for phophorous is found in the oxyacid