What is the value of x in the following equation? Cr 2 O 7 2-

CHEMISTRY

WAEC 2000

What is the value of x in the following equation? Cr₂O₇^2- + 14H+ xe_-â†’ 2Cr₃₊ + 7H₂O

A. 1
B. 6
C. 8
D. 12

Correct Answer: B. 6

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