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At a certain temperature T, the endother...

At a certain temperature T, the endothermic reaction `A rarr B` proceeds almost to completion.The entropy change is :

A

`Delta S = 0`

B

`Delta S lt 0`

C

`Delta S gt 0`

D

Cannot be predicted

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The correct Answer is:
C
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ALLEN-THERMODYNAMICS -EXERCISE -2
  1. For a reaction at 25^(@)C enthalpy change (Delta H) and entropy change...

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  2. The spontaneous nature of a reaction is impossible if :

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  3. At a certain temperature T, the endothermic reaction A rarr B proceeds...

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  4. If Delta H gt 0 and Delta S gt 0, the reaction proceeds spontaneously ...

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  5. The temperature at which the reaction : Ag(2)O(s)rarr 2Ag(s)+1//2O(2)(...

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  6. The enthalpy change for a given reaction at 298 K is -x cal mol^(-1). ...

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  7. Which of the following is true fo the reacion H(2)O(l)hArr H(2)O(g) at...

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  8. For the reaction Ag(2)O(s)rarr 2Ag(s)+1//2O(2)(g) the value of Delta H...

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  9. For hypothetical reversible reaction 1//2A(2)(g) +3//2B(2)(g) rarr A...

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  10. For the precipitation of AgCl by Ag^(+) ions and HCl

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  11. What is the sign of Delta G for the process of ice melting at 283 K ?

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  12. What is the free energy change, 'DeltaG' When 1.0 mole of water at 100...

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  13. A reaction A +B rarr C+D +q is found to have a positive entropy change...

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  14. Equilibrium constant of a reaction is elated to :

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  15. The Vant Hoff equation is :

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  16. If Delta G^(@)gt 0 for a reaction then :

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  17. The equilibrium constant for a reaction is 10. What will be the value ...

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  18. When the value of entropy is greater then the ability for useful work ...

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  19. The process of evaporation of a liquid is accompanied by

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  20. For the process CO(2(s)) rarr CO(2(g))

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