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For a given gas, a graph is shown between compressibility factor (Z) and Pressure (P).
Select the incorrect statement(s) about the various temperature relations.
  • a)
    Temperature T1 must be above critical temperature (TC).
  • b)
    Temperature T2 may be above or below TC.
  • c)
    Temperature T3 may be below TC.
  • d)
    Temperatures T1, T2 and T3 all may be above or below TC.
Correct answer is option 'B,C,D'. Can you explain this answer?
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Most Upvoted Answer
For a given gas, a graph is shown between compressibility factor (Z) ...
By the graph, at T2, the gas does not deviate from ideal gas behaviour at low pressure (Z = 1).
Hence, T2 = TB
T2 = TB (Boyle's temperature)
T1 > TB (Here, Z > 1)
This implies that T3 < />B and TB > TC
(Here, Z < />
So, T1 and T2 must be above TC.
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In the Figure, isotherms of CO2 at several temperatures near the critical point are shown. At the critical point (critical stat e), the distinction between the liquid and gaseous states disappear and the density of the gaseous substance is equal to that in the liquid state. For every gas this occurs at specific values of temperature and pressure, called critical temperature and critical pressure respectively. At temperatures and pressures above the critical point value, a gas is said be in a supercritical state. Critical constants are evaluated by solving the Vander W aals equation which is a cubic involume. The values are TcIn the supercritical region the behaviour is studied by plotting Z vs P plots. The variation in this region is studied with respect to boyles temperature aAt temperaturehigher than CB the variation is linear (Plot I) and at temperature lower than CB the variation is non linear (Plot II) With reference to the passage answers the following questions:Q.The figure shows the effect of pressure on the compressibility factor, Z of a gas :The wrong conclusion(s) is/are

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In the Figure, isotherms of CO2 at several temperatures near the critical point are shown. At the critical point (critical stat e), the distinction between the liquid and gaseous states disappear and the density of the gaseous substance is equal to that in the liquid state. For every gas this occurs at specific values of temperature and pressure, called critical temperature and critical pressure respectively. At temperatures and pressures above the critical point value, a gas is said be in a supercritical state. Critical constants are evaluated by solving the Vander W aals equation which is a cubic involume. The values are TcIn the supercritical region the behaviour is studied by plotting Z vs P plots. The variation in this region is studied with respect to boyles temperature aAt temperaturehigher than CB the variation is linear (Plot I) and at temperature lower than CB the variation is non linear (Plot II) With reference to the passage answers the following questions:Q.In the figure representing variation of the compressibility fac tor z of a real gas with pressure

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For a given gas, a graph is shown between compressibility factor (Z) and Pressure (P).Select the incorrect statement(s) about the various temperature relations.a)Temperature T1 must be above critical temperature (TC).b)Temperature T2 may be above or below TC.c)Temperature T3 may be below TC.d)Temperatures T1, T2 and T3 all may be above or below TC.Correct answer is option 'B,C,D'. Can you explain this answer?
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For a given gas, a graph is shown between compressibility factor (Z) and Pressure (P).Select the incorrect statement(s) about the various temperature relations.a)Temperature T1 must be above critical temperature (TC).b)Temperature T2 may be above or below TC.c)Temperature T3 may be below TC.d)Temperatures T1, T2 and T3 all may be above or below TC.Correct answer is option 'B,C,D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about For a given gas, a graph is shown between compressibility factor (Z) and Pressure (P).Select the incorrect statement(s) about the various temperature relations.a)Temperature T1 must be above critical temperature (TC).b)Temperature T2 may be above or below TC.c)Temperature T3 may be below TC.d)Temperatures T1, T2 and T3 all may be above or below TC.Correct answer is option 'B,C,D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a given gas, a graph is shown between compressibility factor (Z) and Pressure (P).Select the incorrect statement(s) about the various temperature relations.a)Temperature T1 must be above critical temperature (TC).b)Temperature T2 may be above or below TC.c)Temperature T3 may be below TC.d)Temperatures T1, T2 and T3 all may be above or below TC.Correct answer is option 'B,C,D'. Can you explain this answer?.
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