1.

The oxidation state of phosphorous is minimum in(A) P4O6(B) NaH2PO2(C) PH3 (D)Na3PO4​

Answer»

Hi there,

The answer is C= PH3

The oxidation STATE for compounds

O= -2

Na = +1

H= +1

A) P4O6

P= 2×6 ÷4 = +3

B) NaH2PO2

P= 2×2 - 3 = +1

C) PH3

P = -3

D) Na3PO4

P= 2×4 - 3 = +5

The minimum is 《C》

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