When 3P + 5HNO3 produces 2H2O+ 5NO +3 H3PO4 then elemental Phosphorus is oxidized by taking 5 electrons (to become P(+5) in H3PO4) from N(+5)atom in HNO3 (which is turned into N(+2) in NO)
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Q: Which element is oxidized in the reaction 3P 5HNO3 produces 2 h2o 5 no 3 h3po4?