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Byju's Answer
Standard XII
Chemistry
Valency and Oxidation State
The oxidation...
Question
The oxidation number of phosphorus in
P
2
O
4
−
7
is
Open in App
Solution
2
x
+
(
−
14
)
=
−
4
⟹
2
x
−
14
=
−
4
⟹
2
x
=
10
⟹
x
=
+
5
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