Why is Phosphorus with outer electronic configuration 3s2 ,3p3 does not form PH5
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Explanation:
Although phosphorus exhibits +3 and +5 oxidation states, yet it can not form PH5. Because of high ∆H–H and slightly negative ∆ e.g. H (electron gain enthalpy), dihydrogen acts only as a weak oxidising agent. ... Hence P forms PH3 and not PH5.
Answered by
1
Answer:
Although phosphorus exhibits +3 and +5 oxidation states, yet it can not form PH5. Because of high ∆H–H and slightly negative ∆ e.g. H (electron gain enthalpy), dihydrogen acts only as a weak oxidising agent. ... Hence P forms PH3 and not PH5.
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