Grade 12Physical Chemistry
After looking for proper reasons for boiling point orders, nobody could even explain why CCl4CCl4 has a higher boiling point than SiCl4SiCl4, but after looking for patterns, in lots and cases of CH2X2CH2X2, CH3XCH3X, CHX3CHX3 has more boiling point than similar silicon derivatives. In some places some explanation related to electronegativity difference is given, but how is that relevant and since Si is less electronegative hence there's more partial charge on Cl which results in more polarisability and stronger London forces; which are quite powerful as evident from various examples like HCl
After looking for proper reasons for boiling point orders, nobody could even explain why CCl4CCl4 has a higher boiling point than SiCl4SiCl4, but after looking for patterns, in lots and cases of CH2X2CH2X2, CH3XCH3X, CHX3CHX3 has more boiling point than similar silicon derivatives. In some places some explanation related to electronegativity difference is given, but how is that relevant and since Si is less electronegative hence there's more partial charge on Cl which results in more polarisability and stronger London forces; which are quite powerful as evident from various examples like HCl
