Home
Class 11
CHEMISTRY
The equilibrium constant for a reaction ...

The equilibrium constant for a reaction is `2 xx 10^(-23) " at " 25^(@)C " and " 2xx 10^(-2) " at " 50^(@)C.` Is the reaction endothermic or exothermic ?

Text Solution

Verified by Experts

The correct Answer is:
Endothermic
Promotional Banner

Topper's Solved these Questions

  • EQUILIBRIUM

    DINESH PUBLICATION|Exercise NCERT|92 Videos

  • EQUILIBRIUM

    DINESH PUBLICATION|Exercise Multiple choice Qestions|16 Videos

  • EQUILIBRIUM

    DINESH PUBLICATION|Exercise value Based questions|3 Videos

  • ENVIRONMENTAL CHEMISTRY

    DINESH PUBLICATION|Exercise Integer Type Questions|4 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    DINESH PUBLICATION|Exercise UNIT TEST - 34|1 Videos

Similar Questions

Explore conceptually related problems

The rate constant of a reactant is 1.5 xx 10^(-3) at 25^(@)C and 2.1 xx 10^(-2) at 60^(@)C . The activation energy is

The equilibrium constants of a reaction at 27^@ C and 127^@ C are 1.6 xx 10^(-3) and 7.6 xx 10^(-2) respectively. Is the reaction exothermic or endothermic ?

The rate constant for a reaction is 1.5 xx 10^(-7) at 50^(@) C and 4.5 xx 10^(7)s^(-1) at 100^(@) C . What is the value of activation energy?

The rate constant of a reaction is 1.2xx10^(-3)sec^(-1)" at "30^(@)C" and "2.1xx10^(-3)sec^(-1)" at" 40^(@)C . Calculate the energy of activation of the reaction.

K_(c) for the reaction, A+BhArrP+Q is 2.0xx10^(-2) at 25^(@)C and it is 2.0xx10^(-1) at 50^(@)C . Predict whether the forward reaction is exothermic or endothermic.

The equilibrium constant of a reaction at 298 K is 5 xx 10^(-3) and at 1000 K is 2 xx 10^(-5) What is the sign of triangleH for the reaction.

The equilibrium constants for the reaction, A_2hArr2A A at 500K and 700K are 1xx10^(-10) and 1xx10^(-5) . The given reaction is

DINESH PUBLICATION-EQUILIBRIUM-Problems for Practice
  1. For the reaction, N(2)(g)+3H(2)(g) hArr 2NH(3)(g) the partial pres...

    Text Solution

    |

  2. In the reaction A+B hArr C+D , What will happen to the equilibrium if ...

    Text Solution

    |

  3. The equilibrium constant for a reaction is 2 xx 10^(-23) " at " 25^(@)...

    Text Solution

    |

  4. What will be the effect of increased pressure in the following equil...

    Text Solution

    |

  5. Mention atleast three ways by which the concentration of SO(2)(g) be i...

    Text Solution

    |

  6. What happens to the solubility to CO(2) in water if temperature is inc...

    Text Solution

    |

  7. In a gaseous system A(g) +B(g) hArr C(g) contained in a one litre fla...

    Text Solution

    |

  8. The dissociation constant for an acid HA is 1.6 xx 10^(-5). Calculate ...

    Text Solution

    |

  9. At 298 K, 0.1 M solution of acetic acid is 1.34 % ionised . What is ...

    Text Solution

    |

  10. Calculate the degree of dissociation and concentration of H(3)O^(+) io...

    Text Solution

    |

  11. K(a) for an acid HA is 4.9 xx 10^(-8). Calculate percentage dissocit...

    Text Solution

    |

  12. Calculate the degree of ionisation and concentration of H(3)O^(+) io...

    Text Solution

    |

  13. The values of ionisation constants for some pairs of acids and bases a...

    Text Solution

    |

  14. Give the conjugate bases of (i) H(2)O (ii) NHO(3) (iii) NH(4)^(+) (Iv)...

    Text Solution

    |

  15. Which is the stronger base in the following : CI^(-) , NO(3)^(-) ,CH(3...

    Text Solution

    |

  16. Which concept can explain the acitic character of CO(2) ?

    Text Solution

    |

  17. AlCI(3) is the an acid according to which concept ?

    Text Solution

    |

  18. Name a species which can act both as conjugate acid and conjugate base...

    Text Solution

    |

  19. Give the formulae of the conjugate acids of the following : , (i) NH(...

    Text Solution

    |

  20. The hydronium ion concentration of a solution is 1.3 xx 10^(-5)M. Find...

    Text Solution

    |