Chemistry Chapter 6 Focus Study Review | Questions & Answers | Grade A+| (Latest 2026/ 2027 Update) 100% Correct (Verified Solutions) The hydrides of group 5A are NH3, PH3, AsH3, and SbH3. Arrange them from highest to lowest boiling point. - Step 1:
Chemistry Chapter 6 Focus Study Review | Questions & Answers | Grade A+| (Latest 2026/ 2027 Update) 100% Correct (Verified Solutions) The hydrides of group 5A are NH3, PH3, AsH3, and SbH3. Arrange them from highest to lowest boiling point. - Step 1: To rank the molecules from highest boiling point to lowest boiling point, first consider the molar mass of the molecules. The greater the molar mass, the greater the strength of the London dispersion forces (a type of intermolecular force of attraction between two molecules). Consequently, the boiling point will also be higher. For example, consider group 6A hydrides: H2O, H2S, H2Se, and H2Te. Among these hydrides, the molar mass increases in
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