Q.
The density of O2 (g) is maximum at :
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a
STP
b
273 K and 2 atm
c
546 K and 1 atm
d
546 K and 2 atm
answer is B.
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Detailed Solution
The ideal gas equation is PV=nRT=wmRTDensity ,P= WRTMVP=dRTMd=PMRTThus, the density of the ideal gas is directly proportional to the pressure and inversely proportional to the temperature.Thus, the density will be maximum for higher pressure and lower temperature.
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