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Which of the following pairs of a chemic...

Which of the following pairs of a chemical reaction is certaion to result 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 absolute enthalpy of neutralization of the reaction, MgO(s)+2HCl...

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  2. Which of the following pairs of a chemical reaction is certaion to res...

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

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

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

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  6. The enthalpy of hydrogenation of cyclohexene is -119.5kJ 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)hArrH(2)O(s) 0^(@)C, 1 bar

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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) rar...

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

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  13. Given the bond energies of H - H and Cl - Cl are 430 kJ mol^(-1) and 2...

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  14. Bond dissociation enthalpy of H(2) , Cl(2) and HCl are 434, 242 and 43...

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  15. For the gas phase reaction PCl(5)rarrPCl(3)(g)+Cl(2)(g) which of t...

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  16. Which of the following are not state functions? (I) q+w (II)q (I...

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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 Delta H and Delta S for the reaction are 170 kJ and 17...

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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 vacuum. The wo...

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