The value of KP for the reaction: H2(g) + I2(s) $\rightleftharpoons$2HI(g) is 6.4 × 10–4 atm. On clo

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The value of KP for the reaction: H2(g) + I2(s) $\rightleftharpoons$2HI(g) is 6.4 × 10–4 atm. On close observation, it is found that the partial pressure of iodine present in vapour state is 1.6 × 10–4 atm, at the same temperature. The value of KP for the reaction: H2(g) + I2(g) $\rightleftharpoons$2HI(g) is

Accepted Answer

H2(g) + I2(s) $ightleftharpoons$2HI(g); Kp = 6.4 × 10–4 atmI2(s) $ightleftharpoons$I2(g); Kp = 1.6 × 10–4 atm∴ H2(g) + I2(g) $ightleftharpoons$2HI(g); $K_{p} = \frac{6.4 	imes 10^{- 4}}{1.6 	imes 10^{- 4}} = 4$

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