1. Tardigrade
  2. Question
  3. Chemistry
  4. For the reaction: H2(g) +I2(g) leftharpoons 2HI(g), the standard free energy is Δ G° > 0. The equilibrium constant (K) would be.

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Q. For the reaction : $H2_{(g)} +I2_{(g)} \rightleftharpoons 2HI_{(g)}$, the standard free energy is $\Delta G^{\circ} > 0$.
The equilibrium constant $(K)$ would be________.

Equilibrium

Solution:

$\Delta G^{\circ}=-RT\,lnK$
If $lnK=-ve$ then only $\Delta G^{\circ}=+ve$ (or $> 0$).
Thus, $K < 1$