" ate of diffusion of LPG (mixture of n-butane and propane) is "125" times faster than that of "SO_(3)" .Hence,mole fraction of n-butane in "

Rate of effusion of LPG (a mixture of n -butane and propane) is 1.25 times that of SO_(3) . Hence, mole fraction of n -butane in LPG is

Rate of effusion of LPG (a mixture of n -butane and propane) is 1.25 times that of SO_(3) . Hence, mole fraction of n -butane in LPG is

Rate of diffusion of LPG (a mixture of n-butane and propane) is 1.25 times that of SO_(3) Hence, mole fraction of n-butane in LPG is

Assertion: Under similar conditions of temperature and pressure, O_(2) diffuses 1.4 times faster than SO_(2) . Reason: Density of SO_(2) is 1.4 times greater than that of O_(2) .

Assertion: Under similar conditions of temperature and pressure, O_(2) diffuses 1.4 times faster than SO_(2) . Reason: Density of SO_(2) is 1.4 times greater than that of O_(2) .

Assertion : Under similar condition of temperature and pressure, O_(2) diffuses 1.4 times faster than SO_(2) Reason : Density of SO_(2) is 1.4 times greater than that of O_(2)

In which of the conformations does a molecule of n-butane spend most of its time and why ?