The Temperature at Which a Liquid Boils Is the Boiling

question 34

Multiple Choice

The temperature at which a liquid boils is the boiling point of the liquid.The boiling point is an indication of the intermolecular forces that hold the matter in the liquid state.Water,H₂O,boils at 100°C.Ethanol,C₂H₆O boils at 78°C.Ammonia,NH₃,boils at -33°C.Which one of the following ranks the intermolecular forces in these liquids from the strongest to the weakest?

• A)Water > Ammonia > Ethanol
• B)Ammonia > Ethanol > Water
• C)Ethanol > Water > Ammonia
• D)Water > Ethanol > Ammonia

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