Home
Class 12
CHEMISTRY
Many endothermic reactions that are not ...

Many endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperture.
`DeltaH^(@)` of the endothermic reaction may increases with increase in temperature.

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False.

D

If both Assertion & Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    ALLEN|Exercise EXERCISE -3|108 Videos

  • TEST PAPERS

    ALLEN|Exercise MATHEMATICS|2 Videos

  • Thermodynamics And Thermo Chemistry

    ALLEN|Exercise All Questions|40 Videos

Similar Questions

Explore conceptually related problems

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.

The rate of an exothermic reactions increases with increase in temperature.

The rate of reaction increases by the increase of temperature because

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

For an endothermic reaction to be spontaneous

The rate of reaction ........ with increase in temperature.

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

The rate constant of a reaction increases linearly with increase in temperature.

ALLEN-THERMODYNAMICS -EXERCISE -4
  1. Assertion (A): There is no reaction known for which DeltaG is positive...

    Text Solution

    |

  2. Assertion :- Absolute value of enthalpy can not be determined. Reaso...

    Text Solution

    |

  3. Assertion :- When a rubber band is stretched entropy increases. Reas...

    Text Solution

    |

  4. Assertion :- At constant pressure for the change H(2)O(s)rarr H(2)O(g)...

    Text Solution

    |

  5. Assertion (A): Enthalpy of graphite is lower than that of diamond. R...

    Text Solution

    |

  6. Assertion (A): The enthalpy of formation of gaseous oxygen molecules a...

    Text Solution

    |

  7. Many endothermic reactions that are not spontaneous at room temperatur...

    Text Solution

    |

  8. Assertion (A): Pressure, volume, and temperature are all extensive pro...

    Text Solution

    |

  9. Assertion (A): For a particular reaction, heat of combustion at consta...

    Text Solution

    |

  10. Assertion :- At constant temp 0^(@)C and 1 atm, the change H(2)O(s)rar...

    Text Solution

    |

  11. Assertion : The increase in internal energy (DeltaE) for the vapouriz...

    Text Solution

    |

  12. Assertion : Water in liqiud state is more stable than ice at room temp...

    Text Solution

    |

  13. Assertion :- In an isolated system the entropy increases due to sponta...

    Text Solution

    |

  14. Assertion :- Entropy is always constant for a closed system. Reason ...

    Text Solution

    |

  15. Assertion :- For an isolated system q is zero. Reason :- In an isola...

    Text Solution

    |

  16. Assertion :- Entropy of system increases for a spontaneous reactions. ...

    Text Solution

    |

  17. Assertion :- Catalyst change Gibbs free energy of system. Reason :- ...

    Text Solution

    |

  18. Assertion :- Q("Surr") is zero for adiabatic process Reason :- Final...

    Text Solution

    |