Home
Class 11
CHEMISTRY
Assertion : At constant temperature and ...

Assertion : At constant temperature and pressure chemical reactions are spontaneous in the direction of decreasing Gibb's energy
Reason : For every chemical reaction at equilibrium standard Gibb's energy of the reaction is zero

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true and reason is not the correct explanation of assertion

C

If assertion is true, but reason is false

D

If both assertion and reason are false

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS AND CHEMICAL ENERGETICS

    BRILLIANT PUBLICATION|Exercise (LEVEL-II (HOMEWORK)|39 Videos

  • STRUCTURE OF ATOMS

    BRILLIANT PUBLICATION|Exercise LEVEL - III (Linked Comprehension Type)|8 Videos

Similar Questions

Explore conceptually related problems

with increase in temperature, equilibrium constant of a reaction

f. How and when a reversible reaction attain chemical equilibrium

The activation energy for a simple chemical reaction A rarr B is E_(a) in forward direction. The activation energy for reverse reaction.

Standard Gibbs free energy change of a reaction is zero. The value of equilibrium constant will be

BRILLIANT PUBLICATION-THERMODYNAMICS AND CHEMICAL ENERGETICS - (LEVEL-II (HOMEWORK)
  1. Enthalpy of vaporisation of benzene is 30.8 kJ mol" at its normal boil...

    Text Solution

    |

  2. C C l(4 (f)) boils at 350 K at 1 atm. pressure absorbing 30 kJ mol^(-...

    Text Solution

    |

  3. Consider the reaction 4NO(2(g)) + O (2 (g)) to 2 N (2 ) O (5(g)) , D...

    Text Solution

    |

  4. 0.8 mole He and 0.2 mole H, maintained at same pressure are isothermal...

    Text Solution

    |

  5. For the reaction X (2) O (4 (l)) to 2 XO (2 (g)) , Delta u = 2.1 kcal ...

    Text Solution

    |

  6. Given PbO ((s)) + C ((s)) to Pb ((s)) + CO ((g)) , Delta H = 108 kJ mo...

    Text Solution

    |

  7. A reaction has value of Delta H = -40 kcal mol^(-1) at 400 K. Below 4...

    Text Solution

    |

  8. Calculate free energy change at 27^(@)C for the reaction H (2) + Cl ...

    Text Solution

    |

  9. Delta G (f) ^(0) of NH(3(g)),NO and H (2)O ((l)) are respectively (in...

    Text Solution

    |

  10. The standard emf of the cell reaction Zn ((s)) + Cu (aq) ^(2+) to Zn ...

    Text Solution

    |

  11. Consider the following spontaneous reaction C (6) H (5) COOH ((s)) + (...

    Text Solution

    |

  12. Given : PbO (2) to PbO Delta G (298K) lt 0 Sn O (2) to Sn O Delta G ...

    Text Solution

    |

  13. Standard Gibbs free energy change of a reaction is zero. The value of ...

    Text Solution

    |

  14. For the reactions 4C ((g)) + 5 H (2 (g)) to C (4) H (10) (n-bu tan e) ...

    Text Solution

    |

  15. Equilibrium pressure for Ca CO (3 (g)) hAr Ca O ((s)) + CO (2 (g)) is ...

    Text Solution

    |

  16. A) For N(2) O gas, the difference in specific heats at constant press...

    Text Solution

    |

  17. Assertion : For the reaction 2 NH (3 (g)) to N (2 (g)) + 3 H (2 (g))...

    Text Solution

    |

  18. Assertion : Eventhough HF is a weak acid heat liberated during neutral...

    Text Solution

    |

  19. Assertion : At constant temperature and pressure chemical reactions ar...

    Text Solution

    |

  20. Assertion : Adiabatic expansion of a gas decreases its internal energ...

    Text Solution

    |