Consider the following reaction equation: SO42-(aq) + 2H+(aq) + ye- (to) SO42-(aq) + H2O(1). The…

Consider the following reaction equation:
SO42-(aq) + 2H+(aq) + ye– (to) SO42-(aq) + H2O(1).
The value of y in the equation is
  • A.
    2
  • B.
    3
  • C.
    4
  • D.
    6
Correct Answer: Option A
Explanation

from the reaction, the total charge on the left side = The total charge on the right side
-2 + 2 + y = -2 : y = -2 : y = 2

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