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Statement-I Due to adiabatic free expans...

Statement-I Due to adiabatic free expansion, temperature of a real gas always increases
Statement-II : If a real gas is at inversion temperature then no change in temperature is observed in adiabatic free expansion

A

Statement-I is true, statement-II is true and statement-II is correct explanation for statement-I

B

Statement-I is true, statement-II is true and statement-II is NOT correct explanation for statement-I

C

Statement-I is true, statement-II is false

D

Statement-I is false, statement-II is true

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-Practice Sheet- Exercise-III
  1. Pick out the correct statement from among the four:

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  2. For a reaction, A(2) + B(2) hArr 2AB, DeltaG and DeltaS values are 20 ...

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  3. Statement-I Due to adiabatic free expansion, temperature of a real gas...

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  4. Which of the following process has negative value of DeltaS?

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  5. Some statements are given with regard to entropy. The incorrect statem...

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  6. 2H(2(g)) + O(2(g)) rarr 2H(2)O((l)) , DeltaH= -ve and DeltaG= -ve. The...

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  7. Based on the third law of themodynamics, the entropy can be obtained u...

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  8. When charcoal burns in air signs of DeltaH and DeltaS "are " 2C((s)) +...

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  9. DeltaS("surr") " for " H(2) + 1//2O(2) rarr H(2)O, DeltaH -280 kJ at 4...

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  10. The direct conversion of A to B is difficult, hence it is carried out ...

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  11. The incorrect statement according to second law of themodynamics is

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  12. Entropy of a system depends upon

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  13. Which processes involve increase in entropy?

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  14. Which statements are correct as per laws of thermodynamics?

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  15. For A rarr B, DeltaH= 3.5 kcal mol^(-1), DeltaS= 10 cal mol^(-1) K^(-1...

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  16. The change in Gibbs free energy of the system along provides a criteri...

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  17. The change in Gibbs free energy of the system along provides a criteri...

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  18. The thermodynamic property that measures the extent of molecular disor...

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  19. The thermodynamic property that measures the extent of molecular disor...

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  20. The thermodynamic property that measures the extent of molecular disor...

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