1.

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`

Answer» Correct Answer - 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.


Discussion

No Comment Found

Related InterviewSolutions