Question
Chemistry Question on Oxidation Number
The oxidation number of Cr in CrO5 which has the following structure is
A
+4
B
+5
C
+6
D
+3
Answer
+6
Explanation
Solution
It has four O atoms as peroxide with oxidation number =−1 and one O atom with oxidation number =−2. Hence, x+4(−1)+1(−2)=0 or x=+6