The deviation of a gas from ideal behavior is expected to be minimum at -
1. 350 K and 3 atm
2. 550 K and 1 atm
3. 250 K and 4 atm
4. 450 K and 2 atm
The condition of SATP refers to:
1. 25 C and 2 atm
2. 25 C and 1 atm
3. 0 C and 2 atm
4. 25 C and 1 bar
The compressibility factor of an ideal gas is:
1. zero
2. infinite
3. 1
4. -1
At lower temperature, all gases except H2 and He show:
1. Negative deviation
2. Positive deviation
3. Positive and negative deviation
4. None of the above
If an open container is heated from 300 K to 400 K, then the % of gas that remains in the container is-
1. 25%
2. 50%
3. 75%
4. 100%
The gas among the following that can be most readily liquified is-
( Value of 'a' for NH3 = 4.17, CO2 = 3.59, SO2 = 6.71, Cl2 = 6.49)
1. NH3
2. Cl2
3. SO2
4. CO2
At moderate pressure, the van der Waal's equation becomes:
1. PVm = RT
2. P(Vm-b) = RT
3. (P+a/V2m) (Vm )= RT
4. P = RT/Vm + a/V2m
Which among the following mixtures of gases at room temperature does not obey Dalton's law of partial pressure-
1. He and O2
2. NH3 and HCl
3. H2 and He
4. N2 and He
1.6 g O2 gas and 0.1 g H2 gas are placed in a 1.12 L flask at 0 oC. The total pressure of the gas mixture will be-
1. 2 atm
2. 3 atm
3. 4 atm
4. 1 atm