Question

ii) When pressure is applied on a gas, it is converted to a liguid due to
a) Increase in intermolecular forces of attraction between the particles.
b) Increase in intermolecular distance between the particles,
c) Decrease in intermolecular forces of attraction between the particles.
d) Increase in kinetic energy of the particles,​

Answer 1

Answer:

1.) ans- Gases will get converted into liquid by application of pressure provided the temperature of the gas is not greater than the critical temperature. Above the critical temperature no matter how high a pressure is applied, the gas will not get converted to liquid.

2.)Ans-The electrostatic attraction between the partially positive hydrogen atom in one molecule and the partially negative atom in another molecule gives rise to a strong dipole-dipole interaction called a hydrogen bond (example: HF⋯HF HF ⋯ HF . The London forces typically increase as the number of electrons increase

3.)ans-The phase of a substance depends on the balance between the intermolecular forces and the kinetic energy of the individual molecules or particles. ... This pushing of atoms or molecules results in a slightly increased distance between molecules, and volume of solid also increases.

4.)Ans-With decrease in intermolecular space, the intermolecular forces increases as force between two particles are inversely proportional to the square of the distance between the two particles.

5.)ans-With an increase in temperature, the particles gain kinetic energy and move faster. The actual average speed of the particles depends on their mass as well as the temperature – heavier particles move more slowly than lighter ones at the same temperature.

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