Home
Class 12
CHEMISTRY
For spontaneous process:...

For spontaneous process:

A

`DeltaS_("total")=0`

B

`DeltaS_("total")gt0`

C

`DeltaS_("total")lt0`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B

`DeltaS_("total")=DeltaS_("system")+DeltaS_("surrounding")`
`=+ve` for spontaneous process.
Promotional Banner

Topper's Solved these Questions

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Miscellaneous Numerical Examples|22 Videos
  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Practice problems|81 Videos
  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Solved Example|74 Videos
  • CHEMICAL KINETICS

    OP TANDON|Exercise LINKED COMPRESHENSION TYPE QUESTIONS ( SECTION-VI)|4 Videos
  • CLASSIFICATION AND NOMENCLATURE OF ORGANIC COMPOUNDS

    OP TANDON|Exercise INTEGER|2 Videos

Similar Questions

Explore conceptually related problems

For a spontaneous process.

For a spontaneous process,

For a spontaneous process the correct statement is -

For a spontaneous process, which of the following is true?

For a spontaneous process, the correct statement(s) is (are)

Which of the following is always true for a spontaneous process

For a spontaneous process, which of the following is always true?

OP TANDON-Chemical Thermodynamics and Thermochemistry-Illustrations of Objective Questions
  1. Latent heat of vaporisation of water is 540cal g^(-1) at 100^(@)C calc...

    Text Solution

    |

  2. Enthalpy of fusion of water is 6.01 kJ mol^(-1). The entropy change of...

    Text Solution

    |

  3. For spontaneous process:

    Text Solution

    |

  4. Melting point of a solid is x K and its latent heat of fusion is 600 c...

    Text Solution

    |

  5. The entropy change involved in the conversion of 1 mole of liquid wate...

    Text Solution

    |

  6. The free energy for a reaction having DeltaH=31400 cal, DeltaS=32" cal...

    Text Solution

    |

  7. F(2)C=CF-CF = CF(2) rarr F(2)underset(FC=)underset(|)(C)-underset(CF)u...

    Text Solution

    |

  8. For the equilibrium reaction, the value of Gibbs free energy change is...

    Text Solution

    |

  9. At 0^(@)C ice and water are in equilibrium and DeltaH=6kJ" "mol^(-1) f...

    Text Solution

    |

  10. For a reaction, Ag(2)O(s)hArr2Ag(s)+(1)/(2)O(2)(g) DeltaH,DeltaS a...

    Text Solution

    |

  11. For the homogeneous reactions: xA+yBtolY+mZ DeltaH=-30kJ" "mol^(-1...

    Text Solution

    |

  12. For the reaction CO (g) + (1)/(2) O(2) (g) rarr CO(2) (g) Delta H ...

    Text Solution

    |

  13. For a reaction DeltaH=+29kJ" "mol^(-1),DeltaS=-35KJ^(-1)" "mol^(-1) ...

    Text Solution

    |

  14. What is DeltaG^(@) for the reaction? (1)/(2)N(2)(g)+(3)/(2)H(2)(g) ...

    Text Solution

    |

  15. What is the sign of DeltaG^(Theta) and the values of K for an electroc...

    Text Solution

    |

  16. The free energy of formation of NO is 78 kJ mol^(-1) at the temperatur...

    Text Solution

    |

  17. Equilibrium constant for the reaction: H(2)(g) +I(2) (g) hArr 2HI(g)...

    Text Solution

    |

  18. Standard Gibbs free enegry change DeltaG^(Theta) for a reaction is zer...

    Text Solution

    |

  19. The standard free energy change of a reaction is DeltaG^(@)=-115 at 29...

    Text Solution

    |

  20. For which of the following reactions, the entropy change will be posit...

    Text Solution

    |