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Byju's Answer
Standard XII
Chemistry
Oxidation and Reduction
Match the fol...
Question
Match the following given the reaction below:
C
u
O
+
H
2
⟶
C
u
+
H
2
O
A
CuO
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B
H
2
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C
Cu
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D
H
2
O
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Solution
+
2
Cu
−
2
O
+
0
H
2
→
0
Cu
+
+
1
H
2
−
2
O
Oxidation state of copper (Cu) decreases from +2 to zero so copper (Cu) is reduced species.
Oxidation state of hydrogen in
H
2
O
is +1 which increased from zero in
H
2
. So,
H
2
O
is the oxidized species.
CuO is the oxidizing agent because the oxidation state of copper decreases as the product - Cu is formed.
H
2
is the reducing agent because the oxidation state of hydrogen increases as the product
H
2
O
is formed