Which of the following molecules has the highest boiling point

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Using what you know about intermolecular forces, determine which of the following molecules has the highest boiling point. Using what you know about intermolecular forces, determine which of the following molecules has the highest boiling point. HF CH4 PH3 HCl

Answered by admin @


Answer:HF will have the highest boiling point

Explanation:

CH4 is non-polar hence contain only weak van der waals forces hence it will have a low boiling point. HCl will have a lower boiling point than HF since F is more electronegative than Cl and possess a greater degree of hydrogen bonding. P is much less electronegative than both Cl and F hence PH3 has a much less degree of hydrogen bonding. Hydrogen bonding exists between hydrogen and a weakly electronegative atom.


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