What is the lowest oxidation state possessed by phosphorus in its oxyacids?

What is the lowest oxidation state possessed by phosphorus in its oxyacids?
  1. $+4$
  2. $+2$
  3. $+5$
  4. $+1$

Solution

In bwnophorus acid (H3PO2) P has lowest oxidation state of +1.

Asked in: MHT CET 2020 (12 Oct Shift 1)

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