The volume of gases NH3, CO2 and CH4 adsorbed by one gram of charcoal at 298 K are in
A
CH4> CO2> NH3
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B
NH3> CH4> CO2
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C
NH3 > CO2> CH4
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D
CO2> NH3> CH4
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Solution
The correct option is C NH3 > CO2> CH4
Polar gases (NH3) have greater extent of adsorption than that of non-polar gases. Among non-polar gases higher the molar mass, greater its extent of adsorption