Out of NH2 and N2 which will have higher value of 'a the vanderwalls parameter and why?
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As NH3 is more easily liquefiable (due to hydrogen bonding), intermolecular forces of attraction are stronger than in N2. Hence, NH3 will have greater value for 'a'.
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(i) As NH3 is more easily liquefiable (due to hydrogen bonding), intermolecular forces of attraction are stronger than in N2. Hence, NH3 will have greater value for 'a'.
(ii) As NH3 molecule is larger in size than N2, hence NH3 will have greater value for 'b'.
(For NH3,a=4.17L2atmmol−2,b=0.0371Lmol−1ForN2,a=1.39L2atmmol−2,b=0.0319Lmol−1)
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