AP EAMCET Engineering 21 Apr 2019 Shift 2 Paper

Section: Chemistry

Question : 147 of 160

Marks: +1, -0

White phosphorus, when heated with cone. NaOH solution in an inert atmosphere of CO2 , forms phosphine and a sodium salt of oxoacid of phosphorus. ‘X’. The oxidation state of phosphorus in ‘X‘ is

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