Home
Class 12
CHEMISTRY
The normal boiling point of water is 373...

The normal boiling point of water is 373K . Vapour pressure of water at temperature T is 19 mmHg . If enthalpy of vaporization is `40.67 kJ//"mol"`, then temperature T would be

A

250 K

B

291.4 K

C

230 K

D

290 K

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

What is the vapour pressure of water at 373 K ?

As the water at boiling point changes to vapour its temperature -

The vapour pressure of water at room temperature is 23.8 mm Hg. The vapour pressure of an aqueous solution of sucrose with mole fraction 0.1 is equal to :

The boiling point elevation for toluene is 3.32 K kg "mol"^(-1) . The normal boiling point of toluence is 110.7^(@)C . The enthalpy of vapourization of the toluene would be nearly :

A sample of air contains Nitrogen, Oxygen and saturated with water vapour under a total pressure of 640 mm. If the vapour pressure of water at that temperature is 40 mm and the molecular ratio of N_(2): O_(2) is 3:1, the partial pressure of Nitrogen in the sample is

(A): At boiling point of the liquid vapour pressure equal to atmospheric pressure (R): Volume of a solution increases by increasing the temperature.

Which of the following statements are correct (a) the boiling point of a solution is greater than pure solvent (b) the temperature where the vapour pressure of liquid equals to atmospheric pressure is called its boiling point (c) the vapour pressure of pure solvent is less than the vapour pressure of solution containing non volatile solute. (d) the temperature of liquid remained in the container after evaporation is more than before the evaparation