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Q.

Oxidation number of P in Ba(H₂PO₂)₂ is

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a

+2

b

+3

c

+1

d

-1

answer is C.

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Detailed Solution

$H_{2} {PO}_{2}^{- 1} = 2 + x - 4 = - 1 \Rightarrow x = + 1$

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