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How do you make hypo pospheric acid?

Updated: 9/19/2023
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13y ago

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It is actually called HYPOPHOSPHOROUS acid (H3PO2). Its official name (by IUPAC) is phosphinic acid. It is a weak, monoprototic acid, chemically also be 'written' as HOP(O)H2 , so not triprotic like its big brother phosphorous acid H3PO3 .

We can prepare it by oxidizing Phosphine (PH3), in Iodine (I2) with water according to the following equation:

PH3 + 2 I2 + 2 H2O ----> H3PO2 + 4 HI

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Q: How do you make hypo pospheric acid?
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