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Normal boiling point of water is 373 K. ...

Normal boiling point of water is `373 K`. Vapour pressure of water at `298 K` is `23 mm` enthalpy of vaporisation is `40.656 kJ mol^(-1)` if atmopheric pressure becomes `23 mm`, the water will boil at:

A

`250K`

B

`298K`

C

`51.6k`

D

`12.5K`

Text Solution

Verified by Experts

The correct Answer is:
B

Boiling pt is the temperature at which vapour pressure becomes equal to atmospheric pressure.
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