Which of the following reactions would have the smallest value of K at 298 K? Which of the following reactions would have the sm

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Which of the following reactions would have the smallest value of K at 298 K? Which of the following reactions would have the sm

allest value of K at 298 K? A + B → 2 C; E°cell = -0.030 V A + 2 B → C; E°cell = +0.98 V A + B → C; E°cell = +1.22 V A + B → 3 C; E°cell = +0.15 V More information is needed to determine.

Chemistry

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lorasvet [2.7K] · Answer 1 · 2026-03-22T04:35:22+03:00

The reaction that exhibits the lowest K value is: A + B → 2 C; E°cell = -0.030 V. This can be rationalized by noting that the standard electrode potential of the cell is directly proportional to the reaction's equilibrium constant. A higher potential results in a larger K value, whereas a lower potential yields a smaller K value.