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Chemistry
Which of the following is not a redox reaction?
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Q. Which of the following is not a redox reaction?
Redox Reactions
A
$CuO + H_2 \to Cu + H_2O$
10%
B
$Na + H_{2}O \to NaOH + \frac{1}{2} H_{2}$
20%
C
$CaCO_3 \to CaO + CO_2$
47%
D
$2K + F_2 \to 2KF$
23%
Solution:
Since there is no change in oxidation number of any species, it is not a redox reaction.
