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Products of heating white phosphorus with concentrated NaOH

The same question, asked 2 times: 27 Jun 2022, 29 Jun 2022. Every wording below, oldest first.

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  1. Question 1

    27 Jun 2022

    40
    Heating white phosphorus with conc. NaOHNaOH solution gives mainly

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  2. Question 2

    29 Jun 2022

    41
    The oxoacid of phosphorus that is easily obtained from a reaction of alkali and white phosphorus and has two P−HP - H bonds, is:

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