KVPY2010ChemistryChemical Equilibrium
From equations 1 and 2 , array l CO ₂ CO +1 / 2 O ₂ [ ~K _ cl =9.1 10⁻¹³ at 1000^ C ]( eq. 1) H ₂ O H ₂+1 / 2 O ₂ [ ~K _ cl =7.1 10⁻¹² at 1000^ C ] array the equilibrium constant for the reaction CO ₂+ H ₂ CO + H ₂ O at the same temperature, is-
Options
- A0.78
- B2.0
- C16.2
- D1.28
Correct answer
D. 1.28
Step-by-step solution
(i) CO ₂ CO + 1 2 O ₂ ~K ₁=9.1 10⁻¹³ (ii) H ₂ O H ₂+ 1 2 O ₂ ~K ₂=7.1 10⁻¹² Object CO ₂+ H ₂ CO + H ₂ O equation (i) - (ii) K ¹= K ₁ ~K ₂ =1.28 C _ t = C ₀ e ^ - kt R = R ₀ e ^ - kt