Question
Question: Which of the following is not oxidation & reduction reaction?...
Which of the following is not oxidation & reduction reaction?
A
VO2+ ¾® V2O3
B
Na ¾®Na+
C
CrO42−¾®Cr2O72−
D
Zn2+ ¾® Zn
Answer
CrO42−¾®Cr2O72−
Explanation
Solution
O.N. of Cr remain unchanged.