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The unit of entropy is...

The unit of entropy is

A

`JK^(-1)" "mol^(-1)`

B

`J" "mol^(-1)`

C

`J^(-1)K^(-1)" "mol^(-1)`

D

`JK" "mol^(-1)`

Text Solution

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The correct Answer is:
A
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OP TANDON-Chemical Thermodynamics and Thermochemistry-Objective Question Level-A
  1. A reaction is non-spontaneous when:

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  2. Standard entropy of X(2) , Y(2) and XY(3) are 60, 40 and 50JK^(-1)mol...

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  3. The unit of entropy is

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  4. Given that Deltah(f)(H)=218 kJ//mol. Express the H-H bond energy in K ...

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  5. For which reaction from the following, DeltaS will be maximum?

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  6. A particular reaction at 27^(@)C for which DeltaH gt 0 and DeltaS gt 0...

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  7. Althought he dissolution of ammonium chloride in water is an endotherm...

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  8. In general, for exothermic reactions to be spontaneous

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  9. For the reversible process, the value of DeltaS is given by the expres...

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  10. In an electrochemical cell, if E^(@) is the e.m.f. of the cell involvi...

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  11. The standard Gibb's free energy change, DeltaG^(@) is related to equil...

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  12. The value of entropy in the universe is

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  13. Which of the following thermodynamic relation is correct?

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  14. The enthalpy of formation for C(2)H(4)(g), CO(2)(g) and H(2)O(l) at 25...

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  15. Identify the correct statement regarding entropy

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  16. When enthalpy and entropy change for a chemical reaction are -2.5 xx10...

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  17. One mole of an ideal gas at 300K is expanded isothermally from an init...

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  18. Latent heat of vaporisation of a liquid at 500K and 1 atm pressure is ...

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  19. The enthalpy change of a reaction does not depend on

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  20. Which plot represents for an exothermic reaction ?

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