Consider the following equilibrium, CO(g) + 2H2(g) CH3OH(g) 0.1 mol of CO along with a catalyst is present in a 2 dm3 flask maintained at 500 K. Hydrogen is introduced into the flask until the pressur

Question

Consider the following equilibrium, CO(g) + 2H2(g) CH3OH(g) 0.1 mol of CO along with a catalyst is present in a 2 dm3 flask maintained at 500 K. Hydrogen is introduced into the flask until the pressure is 5 bar and 0.04 mol of CH3OH is formed. The p K is________× 103 (nearest integer). Given : R = 0.08 dm3 bar K–1 mol–1 Assume only methanol is formed as the product and the system follows ideal gas behaviour.

Prashant Kotian · Accepted Answer

Correct answer: .. CO(g) + 2H2(g) CH3OH(g) 0.1 a 0.1 – x a – 2x x  x = 0.04 PV = n RT n = 08 . 2   = 0.25 0.1 – x + a – 2x + x = 0.25 a – 2x = 0.15 KC = 2 . 2 . 2 .        = 118.52 KP = 118.52 × (RT)–2 = 2) 08 . ( .  = 0.074 = 74 × 103

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