A) At the Boyle .temperature, effect of size of molecules and intermolecular forces roughly compensate each other.
B) For \[{{H}_{2}}\] and \[He,\] the temperature.at \[0{}^\circ C\]is above their respective Boyle temperature so they have \[Z>1\]a the low pressure range.
C) For other gases, at \[0{}^\circ C\]are above their respective Boyle temperature so they have \[Z<1\]in the low pressure range.
D) The Boyle temperature of a gas is \[100\text{ }K\]and the van der Waal's constant 'V is \[0.01\text{ }d{{m}^{3}}\text{ }mo{{l}^{-1}},\] the van der Waal?s constant 'a' is \[8.3\text{ }kPa\text{ }d{{m}^{6}}\text{ }rno{{l}^{-2}}\]
Correct Answer: C
Solution :
[c] CORRECT statement For other gases at \[0{}^\circ C\]are below their respective Boyle temperature so they have \[Z<1\]in low pressure range For (4):- \[{{T}_{B}}=\frac{a}{Rb}\] \[{{T}_{B}}Rb=(100K)\,\,(8.3kPa\,\,d{{m}^{3}}{{K}^{-1}}mo{{l}^{-1}})\] \[(0.01d{{m}^{3}}\,\,mo{{l}^{-1}})\] \[=8.3\,kPa\,\,d{{m}^{6}}\,mo{{l}^{-2}}\]
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