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Which of the following is not a redox re...

Which of the following is not a redox reaction ?

A

`CuO+H_(2)rarrCu+H_(2)O`

B

`Na+H_(2)OrarrNaOH+1/2 H_(2)`

C

`CaCO_(3)rarr CaO+CO_(2)`

D

`2K+F_(2)rarr2KF`

Text Solution

Verified by Experts

The correct Answer is:
C
`overset(+2)(Ca)overset(+4-2)(CO_(3))rarroverset(+2-2)(CaO)+overset(+4-2)(CO_(2))`
Since there is no change in oxidation number of any species, it is not a redox reaction.
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