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Tardigrade
Question
Chemistry
Oxidation number of potassium in K2O, K2O2 and KO2, respectively, is :
Q. Oxidation number of potassium in
K
2
O
,
K
2
O
2
and
K
O
2
, respectively, is :
2877
229
JEE Main
JEE Main 2020
Redox Reactions
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A
+
1
,
+
1
and
+
1
39%
B
+
2
,
+
1
and
+
2
1
6%
C
+
1
,
+
2
and
+
4
49%
D
+
1
,
+
4
and
+
2
6%
Solution:
Potasisum has an oxidation of +1 (only) in combined state.