The oxidation state of phosphorus in `Ba(H_2 PO_2)_2` is
The oxidation state of phosphorus in `Ba(H_2 PO_2)_2` is
A. 3
B. 2
C. 1
D. -1
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Correct Answer - C
Let O.N. of P=x
In `Ba(H_(2)PO_(2))_(2)`
O.N. of Ba =+2, O.N of H =+1,
O.N. of O =-2
`:. 2+2[2xx1+x+2(-2)]=0`
`2+2[2+x-4]=0`
`2+2[x-2]=0`
x=1
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