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Tardigrade
Question
Chemistry
Consider the two reactions: (i) H2O2 +2 KI → I2+2KOH (ii) H2O2 +O3 →2O2+H2O H2O2 behaves as
Q. Consider the two reactions :
(i)
H
2
O
2
+
2
K
I
→
I
2
+
2
K
O
H
(ii)
H
2
O
2
+
O
3
→
2
O
2
+
H
2
O
H
2
O
2
behaves as
2742
214
Hydrogen
Report Error
A
an oxidising agent in both (i) and (ii)
8%
B
an oxidising agent in (i) and reducing agent in (ii)
67%
C
a reducing agent in (i) and oxidising agent in (ii)
8%
D
a reducing agent in both (i) and (ii).
17%
Solution:
H
2
O
2
oxidises KI to
I
2
and reduces
O
3
t
o
O
2
g
a
s
.