A. 7
B. 6
C. 5
D. 4
Correct Answer:
Option B – 6
Explanation
The oxidation state of K2Cr2O7 is +6.
+2+2x+(−2×7)=0
2x=12
x=+6
A. 7
B. 6
C. 5
D. 4
Correct Answer:
Option B – 6
Explanation
The oxidation state of K2Cr2O7 is +6.
+2+2x+(−2×7)=0
2x=12
x=+6
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