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Standard XII
Chemistry
Valency and Oxidation State
Oxidation num...
Question
Oxidation number of Cr atom in
C
r
O
5
and
K
3
C
r
O
8
respectively:
A
+6 , +6
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B
+5 , + 6
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C
+6 , + 5
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D
+ 5 , + 5
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Solution
The correct option is
A
+5 , + 6
Structure of
K
3
C
r
O
8
Refer to fig 1
Structure of
C
r
O
5
Refer fig 2.
This oxidation state of
C
r
O
5
and
K
3
C
r
O
8
is
+
6
and
+
5
respectively.
Suggest Corrections
1
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