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1^(st) law does not tell about...

`1^(st)` law does not tell about

A

Law of conservation of energy

B

Workdone whether +ve (or ) -ve

C

Feasibility of a process

D

`Delta E` at const T

Text Solution

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The correct Answer is:
C
`1^(st)` law does not give feasibility
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-LECTURE SHEET (EXERCISE-III) (LEVEL - I(MAIN) STRAIGHT OBJECTIVE TYPE QUESTIONS)
  1. 1^(st) law does not tell about

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  2. False statement regarding second law of thermodynamics is

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  3. Entropy of a system depends upon

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  4. Which one of the following has Delta S^(0) greater than zero?

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

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

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  7. S(H(2(g)))^(0) = 130.6 JK^(-1) mol^(-1), S(H(2)O((l)))^(0) = 69.9JK^(-...

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  8. The direct conversion of A to B is difficult, hence it is carried out ...

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  9. Enthalpy of vapourisation for water is 186.5 KJ "mole"^(-1). The entro...

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  10. Considering entropy (s) as a thermo dynamic parameter, the criterion f...

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  11. DeltaS("says") "for" 4Fe((s)) + 3O(2) rarr 2Fe(2) O(3(s)) " is" -550 J...

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  12. Suppose that a reaction has Delta H= -400kJ and Delta S = - 50J//K. A ...

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  13. If an endothermic reaction is non-spontaneous at freezing point of wat...

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  14. The favourable conditions for a spontaneous reaction are

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  15. Incorrect statement related to an irreversible process is

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

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  17. Which of the following is true for a spontaneous process?

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

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

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  20. The correct is

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