MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryGaseous statePrevious Year Questions

Equal weights of CH4 and H2 are mixed in a container at 25°C. Fraction of total pressure exerted by methane is (DUMET 2011)

A.1

B.1

C.1✓ Correct

D.8

Explanation

Suppose w kg of each is taken 4 CH n = w/16 and 2 H n = w/2 4 mole fraction CH total p p x Gaseous State 29 /16 / 2 /16 total w p w w x 4 1/ 9 CH total p p x Fraction of total pressure exerted by methane is 1/9.

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