What is the value of n in the following equation? XO-4 +8H + + ne- → X2 + + 4H2O

What is the value of n in the following equation? XO-₄ +8H ⁺ + ne- → X² ⁺ + 4H₂O

A 2
B 3
C 4
D 5
E 6

waec 1992 chemistry

The correct answer is D. 5

No explanation given

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