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JEE Main Chemistry Class 11 Redox Reactions Questions
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© examsnet.com
Question : 63
Total: 79
Given that
E
o
O
2
∕
H
2
O
=
+
1.23
V
;
E
S
2
O
8
2
−
∕
S
O
4
2
−
=
2.05
V
E
B
r
2
∕
B
r
∘
=
+
1.09
V
E
A
u
3
+
∕
A
u
∘
=
+
1.4
V
[April 8, 2019 (I)]
The strongest oxidising agent is:
A
u
3
+
O
2
S
2
O
g
2
−
B
r
2
Validate
Solution:
More positive is the reduction potential stronger is the oxidising agent. Reduction potential is maximum for
S
2
O
8
2
−
, therefore, it is the strongest oxidising agent amongst the given species.
© examsnet.com
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