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For the reaction I(2(g)) hArr I(2(s)), D...

For the reaction `I_(2(g)) hArr I_(2(s)), Delta H= -ve`. Then choose the correct statement from the following
(A) The process is spontaneous at all temperature
(B) The process is accompained by an increase in entropy
(C ) The process is accompained by a decrease in entropy
(D) The process is accompained by a decrease in enthalpy

A

a, b and c

B

b and d

C

c and d

D

a, c and d

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-OBJECTIVE EXERCISE - 1 (ENTORPY AND GIBBS ENERGY)
  1. One of the following reactions involves in decrease of entropy

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  2. The least random state of H(2)O system is

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  3. For the reaction I(2(g)) hArr I(2(s)), Delta H= -ve. Then choose the c...

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  4. Which of the following process has negative value of DeltaS?

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  5. For a spontaneous process, in a reaction

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  6. Some statements are given with regard to entropy. The incorrect statem...

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  7. For an irreversible process, the value of [DeltaS("(system)") + DeltaS...

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  8. A process is spontaneous at all temperatures when

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  9. 2H(2(g)) + O(2(g)) rarr 2H(2)O((l)) , DeltaH= -ve and DeltaG= -ve. The...

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  10. H((aq))^(+) + OH((aq))^(-) rarr H(2)O((l)) , Delta H = -ve and Delta G...

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  11. Among the following what is necessary condition for spontanity of a pr...

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  12. Which of the following is the condition for a non spontaneous reaction...

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  13. Based on the third law of themodynamics, the entropy can be obtained u...

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  14. A chemical reaction cannot occur at all if its

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  15. An equilibrium reaction X + Y hArr W +Z, Delta H= +ve is spontaneous i...

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  16. For the process Dry ice rarr CO(2(g))

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  17. For which of the process, Delta S is negative?

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  18. The process of evaporation of a liquid is accompanised by (A) Increa...

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  19. The favourable conditions for a spontaneous reaction are

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  20. A reaction has both DH and DS negative. The rate of reaction

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