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# Which of the following statements about critical constants of gases are correct?Vc=3aAt the critical point in the van der Waal's gas isotherm (∂P∂Vm)Tc=0Critical temperature (Tc) of gas is greater than its Boyle's temperature (Tb)Larger TcPc the value of a gas, larger would be the excluded volume

A
Larger TcPc the value of a gas, larger would be the excluded volume
B
Critical temperature (Tc) of gas is greater than its Boyle's temperature (Tb)
C
At the critical point in the van der Waal's gas isotherm (PVm)Tc=0
D
Vc=3a
Solution
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#### Boyle's tempertaure of a gas is always higher than its critical temperature (Tc).Tb=aRb,Tc=8a27RbVc=3xb

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Similar Questions
Q1

Which of the following statements on critical constants of gases are correct?

I : Larger the TcPc value of a gas, larger would be the excluded volume.

II : Critical temperature (Tc) of a gas is greater than its Boyle's temperature (TB).

III : At the critical point in the Van der Walls gas isotherm.

dPdVmTc=0

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Q2
Which of the following statements on critical constants of gases are correct?
I: Larger the Tc/pc value of a gas, larger would be the excluded volume.
II: Critical temperature (Tc) of a gas is greater than its Boyles's temperature (Tb).
III: At the critical point in the van der Waals' gas isotherm.
(δpδVm)Tc=0
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Q3
Which of the following statement(s) is/are true:
I - Slope of isotherm at critical point is maximum.
II - Larger the value of Tc, easier is the liquefaction of gas.
III - van der Waals' equation of state is applicable below critical temperature at all pressures.
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Q4
Which of the following statements are correct?
I. Larger if the value of TcPc for a gas larger would be its excluded volume.
II. Larger is the excluded volume of gas, more will be its critical volume.
III. The slope for an isochor obtained for a gas showing P(Vb)=RT is [RVb].
IV. The excluded volume of He is more than H2.

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Q5
Which of the following statements on critical constants of gases are correct?

निम्नलिखित में से गैसों के क्रांतिक नियतांक पर कौनसे कथन सही हैं?

(I) Larger the value of [TCPC] of a gas, larger would be excluded volume.

गैस के [TCPC] का मान अधिक होने पर वर्जित आयतन अधिक होगा

(II) Critical temperature (TC) of a gas is greater than Boyle’s temperature.

एक गैस का क्रांतिक ताप (TC) बॉयल ताप से अधिक होता है

(III) At critical point in van der Waal’s gas isotherm (dPdV)TC=0.

क्रांतिक बिन्दु पर वाण्डर वाल्स गैस समताप में (dPdV)TC=0 होता है
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