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Ammonium chloride when dissolved in wate...

Ammonium chloride when dissolved in water leads to a cooling sensation. The dissolution of ammonium chloride at constant temperature is accompanied by

A

Increase in entropy

B

Decrease in entropy

C

No change in entropy

D

No charge in enthalpy

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The correct Answer is:
A
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ALLEN-THERMODYNAMICS -EXERCISE -2
  1. The total entropy change for a system and its surroundings increases, ...

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  2. Calculate the entropy of Br(2)(g) in the reaction H(2)(g)+Br(2)(g)rarr...

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  3. Ammonium chloride when dissolved in water leads to a cooling sensation...

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  4. In which of the following case entropy decreases

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  5. Which of the following state function is not zero at standard state :-

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  6. Entropy change for an adiabatic reversible process is

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  7. A gas is allowed to expand reversibly under adiabatic conditions. What...

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  8. For a reaction at 25^(@)C enthalpy change (DeltaH) and entropy change ...

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  9. The spontaneous nature of a reaction is impossible if

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

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

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  12. The temperature at which the reaction Ag(2)O(s)to2Ag(s)+(1)/(2)O(2)(...

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

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

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  15. For the reaction Ag(2)O(s) to 2Ag(s)+1/2 O(2)(g) the value of triangle...

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

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

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

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  19. What is the free energy change triangleG when 1.0 mole of water at 100...

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

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