Question

Which of the following statements is not true ? (a) A temperature increase will cause an increase in vapour pressure. (b) The total vapour pressure of a mixture of liquids is equal to the sum of the vapour pressure of each component in the mixture. (c) At a given temperature, all materials have the same vapour pressure. (d) The vapour pressure of a liquid in a mixture of liquids is less than the vapour pressure of that pure liquid.

Answer 1

It has no component perpendicular to the horizontal surface. As a result, there is no pressure difference between the liquid side and the vapour side. ... Thus, there is always an excess of pressure on the concave side of a curved liquid surface over the pressure on its convex side due to surface tension.