Home
Class 12
CHEMISTRY
Assertion (A): May endothermic reaction...

Assertion (A): May endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperature.
Reason (R ) : Entropy of the system increases with increase in temperature.

A

if both assertion and reason are true and reason is thr correct explanation of assertion

B

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

C

If assertion is true but reason is false

D

If both assertion and reson are false.

Text Solution

Verified by Experts

The correct Answer is:
B

The factor `Tdelta S ` increase with increase in temperature.
Promotional Banner

Topper's Solved these Questions

  • AIIMS 2007

    AIIMS PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos
  • AIIMS 2009

    AIIMS PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos

Similar Questions

Explore conceptually related problems

Statement-1 : Many endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperatures. Statement-2: Energy of the system increases with increase in temperature.

Statement -1: Many endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperature. Statement-2: DeltaH^(@) of the endothermic recation increases with increases with increase in temperature.

Assertion: All endothermic reactions which are non-spontaneous at room temperature become spontaneous at high temperatures. Reason : Endothermic reactions become spontaneous if DeltaS is positive and TDeltaS gt DeltaH .

Which of the reaction is expectd to be spontaneous at low temperatures and non-spontaneous at high temperatures:

An endothermic process is non-spontaneous at some temperature. It can be spontaneous at………….temperature.

An endothermic reaction which may be non spontaneous at low temperature because of entropy factor becomes spontaneous at high temperature.

The a reaction to be spontaneous at all temperature

A reaction is spontaneous at low temperature but non- spontaneous at high temperature. Which of the following is true for the reaction?

For a reaction to be spontaneous at all the temperature:

AIIMS PREVIOUS YEAR PAPERS-AIIMS 2008-CHEMISTRY
  1. Assertion: (CH(3))(3)C COC(CH(3))(3) and acetone can be distanguished ...

    Text Solution

    |

  2. (A) Tertiary carbocations are generally formed more easily than primar...

    Text Solution

    |

  3. Assertion: If H(2) and Cl enclosed separately in the same vessel exert...

    Text Solution

    |

  4. Dalton's law of partial pressures acids to evolve chlorine. states tha...

    Text Solution

    |

  5. Assertion : According to Le-Chatelier's -principle addition of heat to...

    Text Solution

    |

  6. Assertion: Cyclohexane exhibits keto-enol tautomerism. Reason: In cy...

    Text Solution

    |

  7. Phenol is more reactive than benzene towards electrophilic substitutio...

    Text Solution

    |

  8. Assertion (A): May endothermic reactions that are not spontaneous at ...

    Text Solution

    |

  9. Assertion: Benzaldehyde is more reactive than ethanal towards nucleoph...

    Text Solution

    |

  10. Assertion: Bleaching powder reacts with dilure acids to evolve chlorin...

    Text Solution

    |

  11. Assertion : Teflon has high thermal stability and quantuin number. che...

    Text Solution

    |

  12. Assertion : In high spin situation, configuration of d^5 ions will ...

    Text Solution

    |

  13. Assertion (A) : Cu gets readily corroded in acidic aqueous solution. ...

    Text Solution

    |

  14. Assertion : When a connection solution is diluted by acidic aqueous so...

    Text Solution

    |

  15. Assertion : Anilinium chloride is more acidic towards electrophilic su...

    Text Solution

    |

  16. Assertion : Pyrrole is an aromatic heterocyclic compound Reason : ...

    Text Solution

    |

  17. Assertion : 2-Butanol on heating with H2SO4 gives 1-butenol on heating...

    Text Solution

    |

  18. Asseration: SeCl(4), does not havea tetrahedral structure. Reason: S...

    Text Solution

    |

  19. Assertion : Liquid NH3 is used for refrigeration Reasong: Liquid ...

    Text Solution

    |

  20. (A) Ether behaves as bases in the presence of mineral acids. (R ) Du...

    Text Solution

    |