Home
Class 11
CHEMISTRY
Identify the correct statement regarding...

Identify the correct statement regarding a spontaneous process.

A

Lowering of energy in the process is the only criterion for spontaneity.

B

For a spontaneous process in an isolated system, the change in entropy is positive.

C

Endothermic process are never spontaneous.

D

Exothermic process are always spontaneous.

Text Solution

Verified by Experts

The correct Answer is:
B
II Law
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    NARAYNA|Exercise Level-IV|27 Videos

  • THERMODYNAMICS

    NARAYNA|Exercise Level -I (H.W)|38 Videos

  • THERMODYNAMICS

    NARAYNA|Exercise Level -II (C.W)|41 Videos

  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - IV EXEMPLAR PROBLEMS|24 Videos

Similar Questions

Explore conceptually related problems

Identify the correct statement regarding entropy

Identify the correct statement regarding entropy

Identify the incorrect statement regarding onion

Identify the correct statement regarding enzymes

Identify the incorrect statement regarding ecotone.

Identify the incorrect statement regarding bark.

NARAYNA-THERMODYNAMICS-Level -III
  1. The molar heat capacity (C(P)) of CD(2)O is 10 cals at 1000 K. The cha...

    Text Solution

    |

  2. At 60^(@)C, dinitrogen tetroxide is 50 per cent dissociated. Calculate...

    Text Solution

    |

  3. For a spontaneous reaction the DeltaG, equilibrium constant (K) and E(...

    Text Solution

    |

  4. Identify the correct statement regarding a spontaneous process.

    Text Solution

    |

  5. The standard Gibb's energy change for the formation of propane. C(3)H(...

    Text Solution

    |

  6. Which of the following expression defines the physical significance of...

    Text Solution

    |

  7. The incorrect expression among the following is

    Text Solution

    |

  8. For a particular reversible reaciton at temperature T, DeltaH and Delt...

    Text Solution

    |

  9. In a fuel cell methanol is used as fuel and oxygen gas is used as an o...

    Text Solution

    |

  10. On the basis of the following thermochemical data : (Delta(f)G^(@)H((a...

    Text Solution

    |

  11. In view of the signs of Delta(r)G^(0) for the following reactions Pb...

    Text Solution

    |

  12. The value of enthalpy change (DeltaH) for the reaction C(2)H(5)OH (l...

    Text Solution

    |

  13. Consider the reaction, 4NO(2)(g)+O(2)(g)rarr2N(2)O(5)(g),Delta(r )H=...

    Text Solution

    |

  14. For the complete combustion of ethanol, C(2)H(5)OH(l)+3O(2)(g)rarr2CO(...

    Text Solution

    |

  15. The standed free energy of fromation of NO(g) is 86.6 kj/ mol at 298...

    Text Solution

    |

  16. If 100 mole of H(2)O(2) decompose at 1 bar and 300 K, the work done (k...

    Text Solution

    |

  17. For the reaction, A(g)+B(g) rarr C(g)+D(g), DeltaH^(@) and DeltaS^(@...

    Text Solution

    |

  18. A reaction at 1 bar is non-spontaneous at low temperature but becomes ...

    Text Solution

    |

  19. one mole of an ideal gas at 300k in thermal contact with surroundings ...

    Text Solution

    |

  20. The enthalpies of combustion of carbon and carbon monoxide are -393.5 ...

    Text Solution

    |