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Byju's Answer
Standard XII
Chemistry
Valency and Oxidation State
Oxidation sta...
Question
Oxidation state of phosphorous in
P
O
3
−
4
is:
A
2
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B
5
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C
4
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D
1
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E
none of the above
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Solution
The correct option is
B
5
Oxidation state of phosphorous in
P
O
3
−
4
is +5.
Let,
X
be the oxidation state of phosphorous.
X
+
4
(
−
2
)
=
−
3
X
−
8
=
−
3
X
=
+
5
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1
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,
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