Home
Class 12
CHEMISTRY
A particular reaction at 27^(@)C for whi...

A particular reaction at `27^(@)C` for which `DeltaH gt 0` and `DeltaS gt 0` is found to be non-spontaneous. The reaction may proceed spontaneously if

A

the temperature is decreased

B

the temperature is kept constant

C

the temperature is increased.

D

it is carried in open vessel at `27^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Set 2|18 Videos
  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Objective Question Level B|56 Videos
  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Practice problems|81 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

If Delta H gt 0 and Delta S gt 0 , the reaction proceeds spontaneously when :-

A reaction is non-spontaneous when:

The following reaction is non-spontaneous

For a non-spontaneous reaction, at 30^(@)C, DeltaH gt 0 & DeltaS gt 0 . The reaction becomes spontaneous, by

The reaction in which DeltaH gt DeltaU is .

In a reaction DeltaG and DeltaH both are positive. The reaction would not be spontaneous if :

OP TANDON-Chemical Thermodynamics and Thermochemistry-Objective Question Level-A
  1. Given that Deltah(f)(H)=218 kJ//mol. Express the H-H bond energy in K ...

    Text Solution

    |

  2. For which reaction from the following, DeltaS will be maximum?

    Text Solution

    |

  3. A particular reaction at 27^(@)C for which DeltaH gt 0 and DeltaS gt 0...

    Text Solution

    |

  4. Althought he dissolution of ammonium chloride in water is an endotherm...

    Text Solution

    |

  5. In general, for exothermic reactions to be spontaneous

    Text Solution

    |

  6. For the reversible process, the value of DeltaS is given by the expres...

    Text Solution

    |

  7. In an electrochemical cell, if E^(@) is the e.m.f. of the cell involvi...

    Text Solution

    |

  8. The standard Gibb's free energy change, DeltaG^(@) is related to equil...

    Text Solution

    |

  9. The value of entropy in the universe is

    Text Solution

    |

  10. Which of the following thermodynamic relation is correct?

    Text Solution

    |

  11. The enthalpy of formation for C(2)H(4)(g), CO(2)(g) and H(2)O(l) at 25...

    Text Solution

    |

  12. Identify the correct statement regarding entropy

    Text Solution

    |

  13. When enthalpy and entropy change for a chemical reaction are -2.5 xx10...

    Text Solution

    |

  14. One mole of an ideal gas at 300K is expanded isothermally from an init...

    Text Solution

    |

  15. Latent heat of vaporisation of a liquid at 500K and 1 atm pressure is ...

    Text Solution

    |

  16. The enthalpy change of a reaction does not depend on

    Text Solution

    |

  17. Which plot represents for an exothermic reaction ?

    Text Solution

    |

  18. Given : S((s))+(3)/(2)O(2(g))rarrSO(3(g)+2X Kcal SO(2(s))+(1)/(2)O(2...

    Text Solution

    |

  19. NH(3)(g)+3Cl(2)toNCl(3)(g)+3HCl(g),DeltaH(1) N(2)(g)+3H(2)(g)to2NH(3...

    Text Solution

    |

  20. The word 'standard' in standard molar enthalpy change implies

    Text Solution

    |