Home
Class 11
CHEMISTRY
Statement -1: For every chmical reaction...

Statement -1: For every chmical reaction at equilibrium , standard Gidds energy of reaction is zero
Statement-2: At constant temperature and pressure , chemical reactions are spontaneious in the direction of decreasing gibbs energy.

A

Statement-1 is true, Statement-2, is true, Statement -2 is a correct explanation for statement-1

B

Statement-1 is true, Statement-2, is true, Statement -2 is not a correct explanation for statement-1

C

Statement-1 is true, Statement-2 is false

D

Statement-1 is false, Statement-2 is true

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    NARAYNA|Exercise Level-VI|150 Videos

  • THERMODYNAMICS

    NARAYNA|Exercise Passages|13 Videos

  • THERMODYNAMICS

    NARAYNA|Exercise Level-II (H.W)|24 Videos

  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - IV EXEMPLAR PROBLEMS|24 Videos

Similar Questions

Explore conceptually related problems

Select correct statements: S_(1) : For every chemical reaction at equilibrium , standard gibbs energy of reaction is zero S_(2) : At constant temperature and pressure , chemical reactions are spontaneous in the direction of decreasing gibbs energy. S_(3) : Spontancity is related to change in entropy if universe.

Assertion (A): For every chemical reaction at equilibrium, standard Gibbs enegry of the reaction is zero. Reason (R ) : At constant temperature and pressure chemical reactions are spontaneous in the direction of the decreasing Gibbs energy.

In the following questions , a statement of assertion (A) is followed by a statement of reason (R). A : For every chemical reaction at equilibrium, the value of standard Gibbs free energy change is zero. R: At constant temperature and pressure for a reaction that direction is preferred for which Gibbs free energy increases.

The activation energy of a reaction is zero. The rate constant of the reaction

NARAYNA-THERMODYNAMICS-Level -V
  1. Statement-1 : Work done in isothermal reversible process is more than ...

    Text Solution

    |

  2. Staetement -1: The magniyude of the work involed in an isothermal expa...

    Text Solution

    |

  3. Statement -1: For every chmical reaction at equilibrium , standard Gid...

    Text Solution

    |

  4. Statement-1: There is a natural asymmetry between work to heat and con...

    Text Solution

    |

  5. Statement -1: Entropy change in reversible adiabatic expansion of an i...

    Text Solution

    |

  6. Statement -1: The Standard free energy changes of all spontaneously oc...

    Text Solution

    |

  7. Statement -1: Enthalpy and entropy of any elements substance in the st...

    Text Solution

    |

  8. Statement-1: A reaction which is spontaneous and accompained by decrea...

    Text Solution

    |

  9. Statement -1: Many endothermic reactions that are not spontaneous at r...

    Text Solution

    |

  10. Statement-1: Decrease of free energy during the process under constant...

    Text Solution

    |

  11. Statement-1: All combustion reactions are exothermic. Statement-2: E...

    Text Solution

    |

  12. Statement-1: Due to adiabatic free expansion temperature of real gas m...

    Text Solution

    |

  13. Statement-1: Under adiabatic free expansion, ((dU)/(dV))(T) is +ve whe...

    Text Solution

    |

  14. Statement-1: At low temperatures, DH is the dominant factor for sponta...

    Text Solution

    |

  15. Statement-1: A reaction which is spontaneous and accompained by decrea...

    Text Solution

    |

  16. The temperature of 1 mole helium gas is increased by 1^@C. Find the in...

    Text Solution

    |

  17. An ideal gas is taken through the cycle A rarr B rarr C rarr A As show...

    Text Solution

    |

  18. If 2kcal heat is given to a system and 6 kcal work is done on the syst...

    Text Solution

    |

  19. The constant volume molar heat capacity of an ideal gas is expressed b...

    Text Solution

    |

  20. Molar enthalpy of vaporization of a liquid is 2.6 kJ. If boiling point...

    Text Solution

    |