Which of the following intermolecular force is vander Waals interaction
(i) Ion dipole, (ii) Dipole -Dipole
(iii) Ion - induced dipole
(b) Which of the following intermolecular forces ion nonvan ber Waals interaction
(i) Dipole induced dipole
(ii) Instantaneous dipole induced dipole
(iii) Ion- induced dipole
(iv) None
(c ) Which of the foolowing intermolecular forces have a potential energey distance function as `E prop (1)/(r^(2))`
(i) Ion -dipole (ii) Dipole -dipole (iii) Ion -induced dipole (iv) London dispersion forces .

Explanation

` (a) (iii) (b) (iv) (c ) (i)` .