The van der Waals parameters for gases W,X,Y and Z are: Gasa(atmL2mol−2)b(LMol−1)W4.00.027X8.00.030Y6.00.032Z12.00.027
Which one of these gases has the lowest critical temperature?
A
W
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B
X
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C
Y
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D
Z
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Solution
The correct option is AW Lower the ‘a’ value, lower is the critical temperature.