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Question
Chemistry
The oxidation number of sulphur, chromium and nitrogen in H 2 SO 5, Cr 2 O 72- and NO 3-respectively are
Q. The oxidation number of sulphur, chromium and nitrogen in
H
2
S
O
5
,
C
r
2
O
7
2
−
and
N
O
3
−
respectively are
72
139
Redox Reactions
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A
+
8
,
+
6
and
+
5
B
+
6
,
−
6
and
+
8
C
+
6
,
+
6
and
+
5
D
+
8
,
+
6
and
+
7
Solution:
Thus, the oxidation number of
S
,
C
r
and
N
in
H
2
S
O
5
,
C
r
2
O
7
2
−
and
N
O
3
−
, respectively are
+
6
,
+
6
and
+
5
.
In the structure of
H
2
S
O
5
, two oxygen atoms form peroxide linkage, so oxidation number of these O-atoms is
−
1
.
