‘All the postulates of the kinetic molecular theory of gases are cor

1.	‘All the postulates of the kinetic molecular theory of gases are correct.’ 1. Do you agree with the statement? 2. If no, write the wrong postulates of this theory. 3. Give justification.
Answer» 1. No. 2. Volume of the molecules of a gas is negligibly small in comparison to the space occupied by the gas. There is no force of attraction between the molecules of a gas. 3. If assumption (i) is correct, the p vs V graph of experimental data (real gas) and that theoritically calculated from Boyle’s law (ideal gas) should coincide. But this never happens. If assumption (ii) is correct, the gas will never liquify. But gases do liquify when cooled and compressed.

‘All the postulates of the kinetic molecular theory of gases are correct.’ 1. Do you agree with the statement? 2. If no, write the wrong postulates of this theory. 3. Give justification.

Answer»

1. No.

Volume of the molecules of a gas is negligibly small in comparison to the space occupied by the gas.
There is no force of attraction between the molecules of a gas.

3. If assumption (i) is correct, the p vs V graph of experimental data (real gas) and that theoritically calculated from Boyle’s law (ideal gas) should coincide. But this never happens. If assumption (ii) is correct, the gas will never liquify. But gases do liquify when cooled and compressed.

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‘All the postulates of the kinetic molecular theory of gases are correct.’ 1. Do you agree with the statement? 2. If no, write the wrong postulates of this theory. 3. Give justification.

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