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0 votes
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in States of Matter by (300 points)
Which gas can be liquidified more easily?
a) SO2
b) NH3
c) Cl2
d) P2O5

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1 Answer

+1 vote
by (18.1k points)
edited by

Answer is : SO2

Given values for gases are :

NH3 = 4.17, CO2 = 3.59, SO2 = 6.71

P2O5 = 6.49

Now according to the van der Waal's equation, a and b are correction constants that is they are Van der Waal's force of attraction constant. Also, 'a' is said to be the measure of the intermolecular force of attraction. Now, we know greater the force of intermolecular attraction, easier is its liquification.

Therefore, Easily liquifiable gas has greater value.

Sulphur dioxide is easily liquifiable here.

by (300 points)
What is u2

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