Question:
Read the following statements and identify the incorrect statement.
Read the following statements and identify the incorrect statement.
Updated On: Jul 7, 2022
- Volume of one mole of a gas at critical temperature is called molar volume.
- Pressure of a gas at critical temperature is called critical pressure.
- The critical temperature, pressure and volume are called critical constants.
- Critical temperature is the highest temperature at which a gas can exist as liquid, above this temperature it is a gas.
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The Correct Option is A
Solution and Explanation
Volume of one mole of a gas at $STP$ is called its molar volume.
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Concepts Used:
Gas Laws
The gas laws were developed at the end of the 18th century, when scientists began to realize that relationships between pressure, volume and temperature of a sample of gas could be obtained which would hold to approximation for all gases.
The five gas laws are:
- Boyle’s Law, which provides a relationship between the pressure and the volume of a gas.
- Charles’s Law, which provides a relationship between the volume occupied by a gas and the absolute temperature.
- Gay-Lussac’s Law, which provides a relationship between the pressure exerted by a gas on the walls of its container and the absolute temperature associated with the gas.
- Avogadro’s Law, which provides a relationship between the volume occupied by a gas and the amount of gaseous substance.
- The Combined Gas Law (or the Ideal Gas Law), which can be obtained by combining the four laws listed above.