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Chemistry · EQUILIBRIUM

हिन्दी

What is the thermodynamic criterion for a reaction mixture to have a tendency to proceed spontaneously in the forward direction?

  1. \( \Delta G > 0 \) and \( Q > K \)
  2. \( \Delta G = 0 \) and \( Q = K \)
  3. \( \Delta G < 0 \) and \( Q < K \)
  4. \( \Delta G < 0 \) and \( Q > K \)

Correct answer · Option 3

\( \Delta G < 0 \) and \( Q < K \)

Explanation

When \( \Delta G < 0 \), the reaction is spontaneous in the forward direction. This corresponds to the condition \( Q < K \), where \( \Delta G = RT \ln(Q/K) < 0 \).
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