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Which of the following pairs of a chemic...

Which of the following pairs of a chemical reaction is certain to result in a spontaneous reaction ?

A

endothermic and decreasing disorder

B

exothermic and increasing disorder

C

endothermic and increasing disorder

D

exothermic and decreasing disorder

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The correct Answer is:
B
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ALLEN-THERMODYNAMICS -EXERCISE -1A
  1. The magnitude of enthalpy change for neutralization of the reaction , ...

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  2. Which of the following pairs of a chemical reaction is certain to resu...

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  3. Identify the correct statement for change of Gibbs free energy for a s...

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  4. Assume each reaction is carried out in an open container. For which r...

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  5. The enthalpy and entropy change for the reaction Br(2)(l)+Cl(2)(g)rarr...

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  6. The enthalpy of hydrogenation of cyclohexene is -119.5 kJ mol^(-1). If...

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  7. For the reaction of one mole of zinc dust with one mole of sulphuric a...

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  8. When you make ice cubes, the entropy of water

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  9. For a phase change H(2)O(l) to H(2)O (g)

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  10. For a spontaneous process the correct statement is

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  11. The enthalpy change (Delta H) for the reaction, N(2)(g)+3H(2)(g)to 2NH...

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  12. Consider the following reactions: (a) H(aq)^(+) +OH(aq)^(-) to H(2)O...

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  13. Given that bond energies of H–H and Cl–Cl are 430 kJ mol^(-1) and 240...

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  14. Bond dissociation enthalpy of H(2), Cl(2) and HCl are 434, 242 and 431...

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  15. For the gas phase reaction, PCl(5)(g) hArr PCl(3)(g) + Cl(2)(g) Wh...

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  16. Which of the following are not a constant value between two given ther...

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  17. From the following bond energies: H-H bond energy: 431.37KJmol^(-1) ...

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  18. The values of DeltaH and DeltaS for the reaction, C("graphite")+CO(2...

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  19. For vaporization of water at 1 atmospheric pressure the values of Delt...

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  20. Three moles of an ideal gas expanded spontaneously into vaccum. The wo...

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