Question:

For a cell reaction to be spontaneous, the standard free energy change of the reaction must be:

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A negative value for \( \Delta G \) indicates a spontaneous reaction, while a positive value indicates non-spontaneity.
Updated On: Jan 6, 2026
  • Zero
  • Positive
  • Infinite
  • Negative
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The Correct Option is D

Solution and Explanation

Step 1: Free energy change and spontaneity. A negative standard free energy change (\( \Delta G \)) indicates that the reaction is spontaneous.
Step 2: Conclusion. Thus, for a reaction to be spontaneous, \( \Delta G \) must be negative.
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