How is sulfate ion reduced to sulfide ion?

1 Answer
anor277
Feb 25, 2017

Do you mean "sulfate to sulfide............?"

Explanation:

Well, this is a formal reduction:

"sulfate(+VI) undergoes 8 electron to S(-II)":

SO_4^(2-) + 8H^+ + 8e^(-) rarr S^(2-) + 4H_2O(l)

I am no biochemist, but I believe this is achieved by bacterial action. Are charge and mass balanced?

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