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Oxidation number rules and unusual cases
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Single correct option
Difficulty 1 of 3
rx007
The oxidation number of oxygen in
OF
X
2
is
A
−
2
B
−
1
C
+
1
D
+
2
Answer: D
Fluorine is the most electronegative element and is always
−
1
in compounds. So
x
+
2
(
−
1
)
=
0
gives
x
=
+
2
for oxygen.
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