Multiple choice Which of the following is not true for ideal gas? It obeys Boyle's Law It obeys Van Der Wall's equation It obeys Charle's Law It obeys perfect gas equation Reveal answer Fill a bubble to check yourself B Correct answer Explanation Ideal gas does not obey Van Der Wall's equation. It is obeyed by real gases. A real gas, does not obey the general gas equation and other gas laws at all conditions of temperature and pressure.