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C("diamond")toC("Graphite"), DeltaH=-ve....

`C("diamond")toC("Graphite")`, `DeltaH=-ve`. Then shows that

A

Graphite is more stable than diamond

B

Graphite has more energy than diamond

C

Both are equally stable

D

Stability cannot be predicted

Text Solution

Verified by Experts

The correct Answer is:
A
Graphite has lower energy and therefore, more stable.
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
  1. The favourable conditions for a spontaneous reaction are

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  2. In a closed insulated container, a liquid is stirred with a paddle to ...

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  3. C("diamond")toC("Graphite"), DeltaH=-ve. Then shows that

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  4. If a reaction involves only solids and liquid, which of the following ...

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  5. Mechanical work is specially important in systems that contain

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  6. The law formulated by Nernst is

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  7. Heat exchanged in a chemical reaction at constant temperature and pres...

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  8. Heat of combustion DeltaH^(@) for C(s),H(2)(g) and CH(4)(g) are 94, -6...

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  9. The enthalpy of formation of ammonia is - 46.2 mol^(-1). The enthalpy ...

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  10. The molar heat capacity of water at constant pressure, C(P) , is 75 JK...

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  11. What is the entropy change (in JK^(-1)mol^(-1)) when one mole of ice i...

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  12. For which one of the following equation is DeltaH(reaction)^(@) equal ...

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  13. If a 298K the bond energies of C-H,C-C,C=C and H-H bonds are respectiv...

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  14. The enthalpy change for a reaction does not depend upon:

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  15. In an irreversible process taking place at constant T and P and in whi...

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  16. The internal energy change when a system goes fromk state A to B is 40...

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  17. The correct relationship between free energy change in a reaction and ...

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  18. The enthalpies of formation of Al(2)O(3) and Cr(2)O(3) are -1596KJ and...

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  19. Enthalpy of formation of HF and HCl are -161 kJ and -92 kJ respectivel...

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  20. Heat liberated when 100 mL of 1 N NaOH is neutralised by 300 mL of 1 N...

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