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Question
How do impurities affect boiling point?
How do impurities affect boiling point?
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Solution
The effect of impurities on boiling point is explained below:
- Boiling point of a substance is the temperature at which atmospheric pressure is equal to vapour pressure of gaseous molecules above liquid surface.
- Impurities lowers the melting point and increase the boiling point.
- This is due to the reason that it stabilizes the liquid phase and make it more energetically favorable.
- Then it extends liquid range to lower temperatures and gaseous molecules to higher temperatures.
The above points clearly explains the effect of impurities on boiling point.
The effect of impurities on boiling point is explained below:
- Boiling point of a substance is the temperature at which atmospheric pressure is equal to vapour pressure of gaseous molecules above liquid surface.
- Impurities lowers the melting point and increase the boiling point.
- This is due to the reason that it stabilizes the liquid phase and make it more energetically favorable.
- Then it extends liquid range to lower temperatures and gaseous molecules to higher temperatures.
The above points clearly explains the effect of impurities on boiling point.
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