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Q.

Which oxoacid of phosphorous has the highest number of oxygen atoms present in its chemical formula?

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a

Phosphoric acid

b

Pyrophosphorous acid

c

Pyrophosphoric acid

d

Hypophosphoric acid

answer is D.

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Detailed Solution

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Pyrophosphorous acid $\to$ H₄P₂O₅.

Hypophosphoric acid $\to$ H₄P₂O₆.

Phosphoric acid $\to$ H₃PO₄.

Pyrophosphoric acid $\to$ H₄P₂O₇.

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