For the reaction H2(g) + I2(g) ⇌ 2HI (g), the standard free energy is ∆Gᶱ > 0. The equilibrium constant (K ) would be __________.
(i) K = 0
(ii) K > 1
(iii) K = 1
(iv) K < 1
For the reaction H2(g) + I2(g) ⇌ 2HI (g), the standard free energy is ∆Gᶱ > 0. The equilibrium constant (K ) would be __________.
(i) K = 0
(ii) K > 1
(iii) K = 1
(iv) K < 1
This is a Multiple Choice Questions as classified in NCERT Exemplar
Ans: Option(iv)
The given chemical reaction is:
H2(g) + I2(g) ? 2HI (g)
By, thermodynamical equation of equilibrium,
?G?= -RTlnk>0
Now, R>0 & T>0
⇒ −lnK > 0
⇒ K<1
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Chemistry NCERT Exemplar Solutions Class 11th Chapter Seven 2025
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