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Orthoboric Acid

The oxoacid o...

Question

The oxoacid of phosphorous that is easily obtained from a reaction of alkali and white phosphorus and has two $P - H$ bounds, is:

A

Phosphinic acid

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B

Hypophosphoric acid

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C

Pyrophosphorus acid

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D

Phosphonic acid

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Solution

The correct option is A Phosphinic acid
White phosphorus + alkali $\to H_{3} P O_{2}$
$H_{3} P O_{2} =$ phosphinic acid

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