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A gas described by van der Waals equation – (2008- 1 Mark)
- a)behave similar to an ideal gas in the limit of large molar volumes
- b)behaves similar to an ideal gas is in limit of large pressures
- c)is characterised by van der Waals coefficients that are dependent on the identity of the gas but are independent of the temperature.
- d)has the pressure that is lower than the pressure exerted by the same gas behaving ideally
Correct answer is option 'A,C'. Can you explain this answer?
Verified Answer
A gas described by van der Waals equation – (2008- 1 Mark)a)be...
Vander Waals equation is
= nRT [For n moles of a gas)a, b are vander Waals constants The ideal gas equation is PV = nRT [For n moles of a gas] where P is pressure excerted by ideal gas and V is volume occupied by ideal gas.
In vander Waals equation the term
represents the pressure exerted by the gas and (V– nb) the volume occupied by the gas. At low pressure, when the gas occoupies large volume the intermolecular distance between gaseous moleculas is quite large and in such case there is no significant role played by intermolecular forces and thus the gas behaves like an ideal gas thus (a) is correct NOTE : Under high pressure the intermolecular distance decreases and the intermolecular forces play a significant role and the gas shows a devation from ideal behaviour.
Thus (b) is not correct. a, b i.e. the vander Waals coefficients defined on the nature of gas and are independent of temperature so (c) is correct.
The pressure
is not lower than P so (d) is
not correct.
Hence the correct anser is (a, c).
In vander Waals equation the term
represents the pressure exerted by the gas and (V– nb) the volume occupied by the gas. At low pressure, when the gas occoupies large volume the intermolecular distance between gaseous moleculas is quite large and in such case there is no significant role played by intermolecular forces and thus the gas behaves like an ideal gas thus (a) is correct NOTE : Under high pressure the intermolecular distance decreases and the intermolecular forces play a significant role and the gas shows a devation from ideal behaviour.Thus (b) is not correct. a, b i.e. the vander Waals coefficients defined on the nature of gas and are independent of temperature so (c) is correct.
The pressure
is not lower than P so (d) isnot correct.
Hence the correct anser is (a, c).
Most Upvoted Answer
A gas described by van der Waals equation – (2008- 1 Mark)a)be...
Behavior of gas described by van der Waals equation:
Gas described by van der Waals equation exhibit the following behaviors:
- Similar to an ideal gas in the limit of large molar volumes: At high molar volumes, the volume occupied by gas molecules becomes negligible compared to the total volume, and the intermolecular forces can be ignored. In this limit, the gas behaves similar to an ideal gas.
- Characterized by van der Waals coefficients dependent on the identity of the gas: The van der Waals coefficients (a and b) in the van der Waals equation are specific to each gas and depend on the nature of intermolecular forces for that particular gas. These coefficients are independent of temperature but vary with the identity of the gas.
Therefore, option A and C are correct as gas described by van der Waals equation behaves similar to an ideal gas in the limit of large molar volumes and the van der Waals coefficients are dependent on the identity of the gas.
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A gas described by van der Waals equation – (2008- 1 Mark)a)behave similar to an ideal gas in the limit of large molar volumesb)behaves similar to an ideal gas is in limit of large pressuresc)is characterised by van der Waals coefficients that are dependent on the identity of the gas but are independent of the temperature.d)has the pressure that is lower than the pressure exerted by the same gas behaving ideallyCorrect answer is option 'A,C'. Can you explain this answer?
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A gas described by van der Waals equation – (2008- 1 Mark)a)behave similar to an ideal gas in the limit of large molar volumesb)behaves similar to an ideal gas is in limit of large pressuresc)is characterised by van der Waals coefficients that are dependent on the identity of the gas but are independent of the temperature.d)has the pressure that is lower than the pressure exerted by the same gas behaving ideallyCorrect answer is option 'A,C'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A gas described by van der Waals equation – (2008- 1 Mark)a)behave similar to an ideal gas in the limit of large molar volumesb)behaves similar to an ideal gas is in limit of large pressuresc)is characterised by van der Waals coefficients that are dependent on the identity of the gas but are independent of the temperature.d)has the pressure that is lower than the pressure exerted by the same gas behaving ideallyCorrect answer is option 'A,C'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A gas described by van der Waals equation – (2008- 1 Mark)a)behave similar to an ideal gas in the limit of large molar volumesb)behaves similar to an ideal gas is in limit of large pressuresc)is characterised by van der Waals coefficients that are dependent on the identity of the gas but are independent of the temperature.d)has the pressure that is lower than the pressure exerted by the same gas behaving ideallyCorrect answer is option 'A,C'. Can you explain this answer?.
A gas described by van der Waals equation – (2008- 1 Mark)a)behave similar to an ideal gas in the limit of large molar volumesb)behaves similar to an ideal gas is in limit of large pressuresc)is characterised by van der Waals coefficients that are dependent on the identity of the gas but are independent of the temperature.d)has the pressure that is lower than the pressure exerted by the same gas behaving ideallyCorrect answer is option 'A,C'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A gas described by van der Waals equation – (2008- 1 Mark)a)behave similar to an ideal gas in the limit of large molar volumesb)behaves similar to an ideal gas is in limit of large pressuresc)is characterised by van der Waals coefficients that are dependent on the identity of the gas but are independent of the temperature.d)has the pressure that is lower than the pressure exerted by the same gas behaving ideallyCorrect answer is option 'A,C'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A gas described by van der Waals equation – (2008- 1 Mark)a)behave similar to an ideal gas in the limit of large molar volumesb)behaves similar to an ideal gas is in limit of large pressuresc)is characterised by van der Waals coefficients that are dependent on the identity of the gas but are independent of the temperature.d)has the pressure that is lower than the pressure exerted by the same gas behaving ideallyCorrect answer is option 'A,C'. Can you explain this answer?.
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