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A reaction will never be spontaneous at ...

A reaction will never be spontaneous at any temperature and pressure provided.

A

`Delta S` positive and `Delta H` positive

B

`Delta S` positive and `Delta H` negative

C

`Delta S` negative and `Delta H` positive

D

`Delta S` negative and `Delta H` negative

Text Solution

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The correct Answer is:
C
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NARAYNA-THERMODYNAMICS-C.U.Q
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  5. For the reaction, 2HgO((s)) rarr 2Hg((l))+O(2(g))

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  6. The value of DeltaS is negative for the process

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  8. In which of the following process entropy increases? (a) Rusting of ...

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  9. For the spontaneous process 2F(g) rarr F(2) (g), the sign of DeltaH an...

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  10. Entropy of a perfect crystalline solid at absolute zero is

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  11. Which of the following has highest Entropy

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  12. Entropy change for an adiabatic reversible process is

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  13. which of the following statements is incorrect

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  14. For reversible process at equilibrium, the change in entropy may be ex...

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  15. The units of entropy are

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  16. For a spontaneous process, which of the following is true?

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  17. For a non-spontaneous reaction, at 30^(@)C, DeltaH gt 0 & DeltaS gt 0....

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  18. Thermodynamic parameter which is a state function and also used to mea...

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  19. The most random state of H(2)O system is

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  20. Which of the following Process is non-spontaneous ?

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