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Question

The volume of gases NH3,CO2 and CH4 adsorbed by one gram of charcoal at 298 K are in the order of ___________ .

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
Higher is the polarity of gas, higher will be its adsorption. Here, as NH3 is most polar and methane is least, the order is NH3>CO2>CH4.

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