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0.5 moles of H2 and 0.5 moles of I2 are introduced in the reaction chamber of capacity 10 litre at 271 K. H2 and I2 react to give HI and Kpis found to be 50. If total pressure in the reaction chamber is 5.9 atmosphere then partial pressure of hydrogen will be

A. 0.325 atm

B. 3.2 atm

C. 4.6 atm

D. 0.65 atm

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