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Byju's Answer
Standard XII
Chemistry
Oxidation States of Lanthanides
The oxidation...
Question
The oxidation state of chromium in chromium trioxide is?
A
+
3
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B
+
4
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C
+
5
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D
+
6
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Solution
The correct option is
D
+
6
Let the oxidation state of Chromium be
x
. Oxidation state of oxygen is -2
Therefore,
1
×
(
x
)
+
3
×
(
−
2
)
=
0
⟹
x
−
6
=
0
⟹
x
=
+
6
Hence, Option D is the correct answer.
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