Which of the following statements is correct for boiling point of a liquid?

Which of the following statements is correct for boiling point of a liquid?
  1. Temperature at which a liquid boil at any pressure
  2. Temperature at which solid is in equilibrium with its liquid
  3. Temperature at which vapour pressure equals the applied pressure
  4. Temperature at which applied pressure is greater than vapour pressure of liquid

Solution

The boiling point of a liquid is that temperature at which its vapour pressure becomes equal to the applied pressure or external pressure.

Asked in: MHT CET 2021 (20 Sep Shift 1)

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