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Which of the following statement is corr...

Which of the following statement is correct for the spontaneous reaction ?

A

Entropy of the system is always increased.

B

Free energy of the system is always increased.

C

Total entropy change is always negative.

D

Total entropy change is always positive

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The correct Answer is:
D
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KUMAR PRAKASHAN-THERMODYNAMICS-Section - C Multiple Choice Questions (MCQs) (MCQs asked in Competitive Exam)
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  2. If K lt 1, Delta G^(@) = …....

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  3. Which of the following statement is correct for the spontaneous reacti...

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  4. 723 KJ mol""^(-1) heat is released when 1 molemethanol combustions in ...

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  5. Hess.s Law of integrate enthalpy is related to…...... ,

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  6. For a reaction Delta H= 3 KJ and Delta S = 10 J/Kelvin at what tempera...

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  7. Which one of the following is related to thermodynamic equilibrium ?

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  8. Which one of the following is the isobaric process ?

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  9. For the spontaneous reaction at each temperature .......... .

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  10. Combustion enthalpy of carbon is .-x. kJ, Enthalpy of formation of wat...

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  11. Which one of the following has maximum entropy ?

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  12. An exothermic reaction is spontaneous reaction ............ is correct...

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  13. What will be the value of DeltaG for the ice at 8°C temperature ?

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  14. Ice cube is melting at the room temperature this reaction belongs to w...

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  15. Combustion enthalpies of methane and ethane are -210k. "cal mol"^(-1) ...

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  16. For the gaseous reaction, at 300 K temperature, value of Delta H - Del...

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  17. For the reaction 298 K A((g)) + B((g)) to C((g)) at 298K, Delta U = -5...

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  18. According to the first law of thermodynamics, which of the following s...

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  19. Standard entropies of x(2) , y(2) and xy(3) are 60,40 and 50 "J/K mol"...

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  20. When water freezed to ice, entropy .......... .

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