Home
Class 12
CHEMISTRY
The value of log(10)K for a reaction A h...

The value of `log_(10)K` for a reaction `A hArr B` is (Given: `Delta_(f)H_(298K)^(Theta) =- 54.07 kJ mol^(-1)`,
`Delta_(r)S_(298K)^(Theta) =10 JK^(=1) mol^(-1)`, and `R = 8.314 J K^(-1) mol^(-1)`

A

`10^(+10)`

B

`10^(-100)`

C

`10^(-10)`

D

`10^(+100)`

Text Solution

Verified by Experts

The correct Answer is:
A
`N//A`
Promotional Banner

Topper's Solved these Questions

  • TEST PAPER

    ALLEN|Exercise Exercise (Chemistry)|161 Videos

  • TEST PAPER

    ALLEN|Exercise Exercise (Chemstry)|26 Videos

  • SURFACE CHEMISTRY

    ALLEN|Exercise ASSERTION & REASO|20 Videos

  • TEST PAPER 1

    ALLEN|Exercise CHEMISTRY|11 Videos

Similar Questions

Explore conceptually related problems

The value of 1og_(10) K for a reaction AhArrB is: (Given, Delta_(r)H_(298K)^(@)=-54.07kJ" "mol^(-1),Delta_(r)S_(298K)^(@)=10JK^(-1)" "mol^(-1) and R=8.314JK^(-1) "mol^(-1),2.303xx8.314xx298=5705 )

The value of log_(10)K for the reaction : A harr B , If Delta H^(@) = - 55.07 kj "mole"^(-1) at 298K. Delta S^(@) = 10 jK^(-1) "mole"^(-1) at 298 K , R = 8.314 jK^(-1) "mole"^(-1)

For a reversible reaction A hArr B . Find (log_(10)K)/(10) at 2727^(@) C temperature Given Delta_(r)H^(0) = - 54.07 kJ mol^(-1) Delta_(r)S^(0) = 10 JK^(-1) R = 8.314 JK^(-1) mol^(-1)

Calculate equilibrium constant for the reaction: 2SO_(2)(g) +O_(2)(g) hArr 2SO_(3)(g) at 25^(@)C Given: Delta_(f)G^(Theta) SO_(3)(g) = - 371.1 kJ mol^(-1) , Delta_(f)G^(Theta)SO_(2)(g) =- 300.2 kJ mol^(-1) and R = 8.31 J K^(-1) mol^(-1)

Calculate the value of equilibrium constant, K for the following reaction at 400 K. 2NOCl(g) hArr 2NO (g) + Cl_2(g) DeltaH^@ = 80.0 kJ mol^(-1), DeltaS^@ = 120 KJ^(-1) mol^(-1) at 400 K, R = 8.31 JK^(-1) mol^(-1) .

Calculate the standard free energy change for the reaction: H_(2)(g) +I_(2)(g) rarr 2HI(g), DeltaH^(Theta) = 51.9 kJ mol^(-1) Given: S^(Theta) (H_(2)) = 130.6 J K^(-1) mol^(-1) , S^(Theta) (I_(2)) = 116.7 J K^(-1) mol^(-1) and S^(Theta) (HI) = 206.8 J K^(-1) mol^(-1) .

Calculate the standard free energy change for the reaction: H_(2)(g) +I_(2)(g) rarr 2HI(g), DeltaH^(Theta) = 51.9 kJ mol^(-1) Given: S^(Theta) (H_(2)) = 130.6 J K^(-1) mol^(-1) , S^(Theta) (I_(2)) = 116.7 J K^(-1) mol^(-1) and S^(Theta) (HI) =- 206.8 J K^(-1) mol^(-1) .

Using the following data, calculate the value of equilibrium constant for the following reaction at 298K underset("Acetylene")(3HC-=CH)hArr underset("Benzene")(C_(6)H_(6)(g)) Assuming ideal behaviour Delta_(f)G^(Theta) (HC-= CH) = 2.09 xx 10^(5) J mol^(-1) Delta_(f)G^(Theta) (C_(6)H_(6)) = 1.24 xx 10^(5) J mol^(-1) , R = 8.314 J K^(-1) mol^(-1) Can the reaction be recommended for the synthesis of benzene?

Calculate the entropy change for the following reaction H_(2)(g) +CI_(2)(g) rarr 2HCI (g) at 298 K Given S^(Theta)H_(2) = 131 J K^(-1) mol^(-1), S^(Theta)CI_(2) = 233 J K^(-1) mol^(-1) , and S^(Theta) HCI = 187 J K^(-1) mol^(-1)

Calculate the entropy change for the following reaction H_(2)(g) +CI_(2)(g) rarr 2HCI (g) at 298 K Given S^(Theta)H_(2) = 131 J K^(-1) mol^(-1), S^(Theta)CI_(2) = 233 J K^(-1) mol^(-1) , and S^(Theta) HCI = 187 J K^(-1) mol^(-1)

ALLEN-TEST PAPER-Exercise (Chemstry)
  1. The value of log(10)K for a reaction A hArr B is (Given: Delta(f)H(298...

    Text Solution

    |

  2. Assertion (A): The enthalpy of formation of H(2)O(l) is greater than t...

    Text Solution

    |

  3. Assertion :- The molarity of a certain solution is always greater than...

    Text Solution

    |

  4. Assertion :- K(c) for process 2H(2)O(l)hArr2H(2)O((g))+O(2(g))may be w...

    Text Solution

    |

  5. Assertion :- Adding inert gas at equilibrium to dissociation of PCl(...

    Text Solution

    |

  6. Assertion (A) At constant temperature, pV vs V plot for real gases is ...

    Text Solution

    |

  7. Assertion :- Change in internal energy is zero for all gases at consta...

    Text Solution

    |

  8. Assertion :- Following amide exist in two structural forms. Reaso...

    Text Solution

    |

  9. Assertion :- Benzaldehyde forms two oximes on reaction with NH(2)OH. ...

    Text Solution

    |

  10. Assertion : -I effect of Cl atom is greater than F atom. Reason : Cl...

    Text Solution

    |

  11. Assertion: Cyclobutane is less stable than cyclopentane Reason : T...

    Text Solution

    |

  12. Assertion : The IUPAC name for the compound C(6)H(5)COOCH(2)CH(2)COOH ...

    Text Solution

    |

  13. Assertion :- The IUPAC name for the compound is 7-oxabicyclo [4,1,3] ...

    Text Solution

    |

  14. Assertion :- The IUPAC name of the compound is cyclohexylidene methan...

    Text Solution

    |

  15. Assertion (A) Electron gain enthalpy becomes less negative as we go do...

    Text Solution

    |

  16. Why does the reaction. proceed better with KF than with NaF ?

    Text Solution

    |

  17. Assertion :- Fire in reaction between saline hydride and water can ...

    Text Solution

    |

  18. Assertion :- BaSO(4) forms white ppt in water. Reason :- Its lattice...

    Text Solution

    |

  19. Assertion (A) SF(6) cannot be hydrolysed but SF(4) can be. Reason...

    Text Solution

    |

  20. A:Mn(2)O(7), is acidic in nature R: My has +7 oxidation state:

    Text Solution

    |

  21. Assertion (A) : Silicones are water repelling in nature Reason (R) :...

    Text Solution

    |