py-orbital can not form \pi-bond by lateral overlap with : — Chemical Bonding Chemistry Question

💡 Solution & Explanation

Step 1: Identify the type of intermolecular attraction in each option: (a) ion-dipole (between Cl- and polar HCl), (b) dipole-dipole (between polar CHCl3 molecules), (c) dipole-induced dipole (between polar H2O and non-polar CCl4), and (d) ion-dipole (between Cl- and highly polar H2O). Step 2: Ion-dipole interactions are generally much stronger than dipole-dipole and dipole-induced dipole forces. Step 3: Since H2O is far more polar than HCl, the ion-dipole attraction in (d) is significantly stronger than in (a). Therefore, the attraction in (d) is the strongest.