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Question

Which of the following(s) is/are correct about hypophosphorous acid?

A
It is also called phosphonic acid
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B
The oxidation state of phosphorus is +1
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C
It is monobasic
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D
It is represented by the formula H3PO2
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Solution

The correct option is D It is represented by the formula H3PO2
Hypophosphorous acid (H3PO2), also known as phosphinic acid, is an oxoacid of phosphorus in which the oxidation state of phosphorus is +1. It is monobasic in nature, that is, it dissociates to produce one hydrogen ion.

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