Home
Class 12
CHEMISTRY
The values of equilibrium constant for a...

The values of equilibrium constant for a particular reaction at `25^(@)`C and `50^(@)C` are 0.08 and 0.12 respectively. State whether it is an exothermic or an endothermic reaction.

Text Solution

Verified by Experts

The correct Answer is:
exothermic
Promotional Banner

Topper's Solved these Questions

  • EQUILIBRIUM

    CHHAYA PUBLICATION|Exercise FILL IN THE BLANKS|14 Videos
  • EQUILIBRIUM

    CHHAYA PUBLICATION|Exercise SHORT TYPE QUESTIONS|25 Videos
  • EQUILIBRIUM

    CHHAYA PUBLICATION|Exercise SINGLE CORRECT TYPE (MCQ HOTSPOT)|84 Videos
  • ENVIRONMENTAL CHEMISTRY

    CHHAYA PUBLICATION|Exercise PRACTICE SET 14(Answer the following questions)|6 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    CHHAYA PUBLICATION|Exercise PRACTICE SET 6|10 Videos

Similar Questions

Explore conceptually related problems

The values of equilibrium constant (K) of a reaction at 25^(@)C and 50^(@)C are 2xx10^(-4) and 2xx10^(-2) respectively. Is the reaction an exothermic or an endothermic reaction?

Equilibrium constants of a reaction at 20^(@)C and at 50^(@)C are 2.5 xx 10^(5) and 2 xx 10^(6) respectively. For this reaction -

The rate constants of the reaction at 500k and 700k are 0.02s^-1 and 0.07s^-1 respectively. Calculate the values of E_a and A.

The equilibrium constant of a reaction is 2xx10^(-3) at 25^@C and 2xx10^(-2) at 50^@C . Is the reaction exothermic on endothermic? Explain.

Write down the Arrhenius equation relating the rate constant of reaction with temperature , mentioning what the terms indicate. If k_(1) and k_(2) be the rate constant of a reaction at temperature t_(1)^(@)C and t_(2)^(@)C , respectively, find out the relation between k_(1) ,k_(2) and t_(1) and t_(2) . Given that the activation energy (E_(a)) of the reaction remains unchanged within the temperature range mentioned. The rate constant of a reaction at 400K and 500K are 0.02s^(-1) and 0.08s^(-1) respectively . Determine the activation energy (E_(a)) of the reaction.

At a particular temperature, the values of equilibrium constants for the reactions, X+YhArrXY and M+NhArrMN are 10^3 and 10^(-2) respectively. At this temperature, which one is more stable, XY or MN ?

The rate constants of reaction at 500K and 700K are 0.02s^(-1) and 0.07s^(-1) respectively. Calculate the values of E_(a) and A.

The equilibrium constants for the reaction, N_2(g) + O_2(g) iff 2NO(g) , at 1727^@C and 2227^@C are 4.08 xx 10^-4 and 3.6 xx 10^-3 respectively. Calculate the enthalpy change for the reaction. (Given R = 1.987 cal.)

The value of equilibrium constant of a reaction at a particular temperature does not depend on the initial concentrations of the reactants.

CHHAYA PUBLICATION-EQUILIBRIUM-VERY SHORT TYPE QUESTIONS
  1. For a chemical reaction, Kc>1. Will the value of /\G^0 for this reacti...

    Text Solution

    |

  2. Find the relation between Kp and Kc for the following system : 2NaHC...

    Text Solution

    |

  3. The values of equilibrium constant for a particular reaction at 25^(@)...

    Text Solution

    |

  4. If mol*L^(-1) and 'atm' be the units of concentration and pressure res...

    Text Solution

    |

  5. Give an example of a reaction for which, Kp=Kc=Kx

    Text Solution

    |

  6. Consider the reaction : A(s)+2B2(g)toAB4(g), /\H<0. At equilibrium, wh...

    Text Solution

    |

  7. For the reaction, N2O4(g)<implies2NO2(g)" "/\H>0 mention two factors w...

    Text Solution

    |

  8. Give an example of a reaction for which Kp//Kc Independent of temperat...

    Text Solution

    |

  9. At a given temperature, if the total pressure of the equilibrium mixtu...

    Text Solution

    |

  10. What are the conjugate acid and conjugate base of HPO4^(2-)

    Text Solution

    |

  11. What are the conjugate acid and conjugate base of H2O ?

    Text Solution

    |

  12. Kb for NH3=1.8xx10^(-5) at 25^(@)C. What is the value of Ka for NH4^(+...

    Text Solution

    |

  13. For pure water, pKw=12 at a certain temperature. At this temperature, ...

    Text Solution

    |

  14. At a certain temperature, pKw for pure water is 12 . At the same tempe...

    Text Solution

    |

  15. pH of a sample of pure water is x at a certain temperature. Find the v...

    Text Solution

    |

  16. pKa values for two acids, HA and HB are 4 and 6 respectively. Which on...

    Text Solution

    |

  17. pKa values for two acids, HA , and HB are 4 and 5 respectively.' If ea...

    Text Solution

    |

  18. At 25^(@)C,pKa for weak acid, HA=x and pKb for A^- the conjugate base ...

    Text Solution

    |

  19. Give examples of two salts in case of which the pH value of their aque...

    Text Solution

    |

  20. For a weak acid, HA pKa=5. What is the effective range of pH for a buf...

    Text Solution

    |