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(a) Based on the nature of intermolecula...

(a) Based on the nature of intermolecular forces, classify the following solids: Sodium sulphate, Hydrogen.
(b) What happens when `CdCl_(2)` is doppd with AgCl?
( c) Why do ferrimagnetic substances show better magnetism than antiferromagnetic substances?

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(a) Sodium sulphate: ionic solid, Hydrogen: molecular solid (non-polar).
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Let us consider 1 mol of gas. If It Is an ideal gas then (Poverset-V)/(RT) = 1 where , overset-V = molar volume of a gas For a non-ideal gas this quotient may not be equal to 1. It can also be less than or greater than 1. Therefore, the above quotient is defined as compressibility factor Z. Z = (Poverset-V)/(RT) = (Molar volume of real gas)/ (Molar volume of ideal gas) The compressibility factor of real gases can be written as Z = (Poverset-V)/(RT)=1+B/overset-V+C/overset-(v^2)+D/overset-(v^3)......(Viral equation) Where B,C,D are called virial coefficients and are dependent on the nature of the gas and temperature. B=(b-a/(RT)) .At Boyle’s temperature,second virial coefficient becomes zero. when Zgt1 repulsive forces are dominant and when Zlt1 the forces of attraction are dominant. Which of the following statements is correct ?

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