States of Matte...

Direction (Q. Nos. 1-9) This section contains 9 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.

Q. A person living in Shimla observed that cooking of food without using pressure cooker takes more time. The reason for this observation is that at high altitude

Atmospheric pressures recorded in four metro cities are as follows :

Q. Based on the above data, order in which water will boil (starting the earliest) in these cities is

At a given temperature, total vapour pressure (in torr) of a mixture of volatile components A and B is g iven by p_total = 120 - 75 x B.

Hence, vapour pressure of pure A and B respectively are

Vapour pressure of mixture of 1 mole volatile liquid A and 1 mole volatile liquid B is 350 mm Hg at 50°C. On adding 2 moles of A Into mixture, vapour pressure increases by 25 mm Hg. Thus, vapour pressure of pure components are (in mm Hg)

Vapour pressure of a liquid is 380 mm Hg at 300 K and 570 mm Hg at 350 K. Thus, its normal boiling point is (log2 = 0.3010, log 1.5= 0.1761) 

Heat of vaporisation of H₂O is 40.6 kJ mol^-1. At a 4000 m attitude , the atmospheric pressure is about 0.605 atm. What boiling point would you expect for water under these conditions?

Arrange ortho, meta and para-nitrophenols in increasing boiling points

A chemist decides to find the vapour pressure of water by the gas saturation method . 100 L of N₂ gas is passed through 65.44 g of water. After passage of the gas, 63.13 g water remained. The temperature of water is 298 K.

Thus, vapour pressure of water is

Choose the correct statement with respect to the vapour pressure of a liquid among the following.