At –20 °C and 1 atm pressure, a cylinder is filled with equal number of H2. I2 and HI molecules for the reaction H2(g) + I2(g) 2HI(g), the KP for the process is x × 10–1. x = _________. [Given : R = 0

Question

At –20 °C and 1 atm pressure, a cylinder is filled with equal number of H2. I2 and HI molecules for the reaction H2(g) + I2(g) 2HI(g), the KP for the process is x × 10–1. x = _________. [Given : R = 0.082 L atm K–1 mol–1]

(A) 2
(B) 1
(C) 10
(D) 0.01

Prashant Kotian · Accepted Answer

Correct answer: C. ng = 0 Kp = g 2 n HI T H I T (n ) P n n n        2 HI H I n n n   so KP = 1 1 = x × 10–1 x = 10

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