Home
Class 11
CHEMISTRY
For the equilibrium (autoprotolysis of w...

For the equilibrium (autoprotolysis of water), `2H_(2)O iff H_(3)O^(+)+OH^(-)`, the value of `DeltaG^(0)` at 298 K is approximately?

A

`80` KJ/mol

B

`-100` KJ/mol

C

100 KJ/mol

D

80 KJ/mol

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL AND IONIC EQUILIBRIUM

    BRILLIANT PUBLICATION|Exercise LEVEL - II (Assertion-Reason)|5 Videos

  • CHEMICAL AND IONIC EQUILIBRIUM

    BRILLIANT PUBLICATION|Exercise Questions|20 Videos

  • CHEMICAL AND IONIC EQUILIBRIUM

    BRILLIANT PUBLICATION|Exercise Level - III (Linked Comprehension Type Questions)|1 Videos

  • CHEMICAL BONDING

    BRILLIANT PUBLICATION|Exercise LEVEL-III ( Linked Comprehension Type )|12 Videos

Similar Questions

Explore conceptually related problems

The equilibrium constant for the reaction HCO_(3)^(-)(aq)+HPO_(4)^(2-)(aq) iff CO_(3)^(2-)(aq)+H_(2)PO_(4)^(-)(aq) is approximately 10^(-3) . The strongest conjugate base in this reaction is

The following equilibria and their equilibrium constants are given N_(2)+3H_(2) iff 2NH_(3)(K_(1)) N_(2)+O_(2) iff 2NO(K_(2)) H_(2)+1/2O_(2) iff H_(2)O(K_(3)) Therefore, the equilibrium constant of the reaction 2NH_(3)+5/2O_(2) iff 2NO+3H_(2)O in terms of K_(1), K_(2) and K_(3) is :

The equilibrium constant for the reaction OCl^(-)(aq)+H_(2)O(l) iff HOCl(aq)+OH_((aq))^(-) at 298 K is 3.6 times 10^(-7) . The Ka of HOCl at 298 K is

Assertion : For the physical equilibrium, H_(2)O(s) iff H_(2)O(l) , increasing the temperature and increasing the pressure result in the formation of more water. Reason : The shift in the forward direction is both endothermic and accompanied by an increase in volume.

For the reaction RNH_(2) + H_(2)O hArr R.overset(+)(N)H_(3) + OH^(-) . The correct expressions are

Cl_2O , Br_2O, I_2O have positive value of DeltaG (free energy) indicating that

The equilibrium constant for the reaction is 10. Calculate the value of DeltaG^o , Given R = 8 J K^-1mol^-1 , T = 300 K.

BRILLIANT PUBLICATION-CHEMICAL AND IONIC EQUILIBRIUM-LEVEL - II
  1. Boric acid, H(3)BO(3) is a :

    Text Solution

    |

  2. The equilibrium constant for the reaction HCO(3)^(-)(aq)+HPO(4)^(2-)(a...

    Text Solution

    |

  3. For the equilibrium (autoprotolysis of water), 2H(2)O iff H(3)O^(+)+OH...

    Text Solution

    |

  4. Assuming complete ionisation, the pH of a 0.005 M aq. solution of H(2)...

    Text Solution

    |

  5. The dissociation constant of a weak monoprotic acid at 298 K is found ...

    Text Solution

    |

  6. 1 ml of 0.1 M aq. solution a weak monoacidic base is diluted to 100 ml...

    Text Solution

    |

  7. The pH of a 10^(-7) M aq. solution of HCl at 298 K is 7 6.7 7....

    Text Solution

    |

  8. If the pH of a saturated aq. solution of Ba(OH)(2) is 12, the value of...

    Text Solution

    |

  9. At 100^(@)C, the K(w) of water is 55 times its value at 25^(@)C. The p...

    Text Solution

    |

  10. When 200 ml of an aq. solution of HCl (pH=2) is mixed with 300 ml of a...

    Text Solution

    |

  11. The no. of H^(+) ions present in 250 ml of a lemon juice of pH = 3 is

    Text Solution

    |

  12. At 298 K, the K(sp) of Mg(OH)(2) is 1 times 10^(-11)M^(3). At what pH ...

    Text Solution

    |

  13. How many moles of HCOONa must be added to 1L of a 0.1 M solution of HC...

    Text Solution

    |

  14. The pKb value of NH(4)OH at 298 K is 4.75. An aq. Solution of NH(4)OH ...

    Text Solution

    |

  15. In a buffer solution consisting of equal concentration of B^(-) and th...

    Text Solution

    |

  16. 0.1 mol of CH(3)NH(2)" "(K(b)=5 times 10^(-4)" at "298K) is mixed with...

    Text Solution

    |

  17. The ratio of the pH of solution (I) containing 1 mol of CH(3)COONa and...

    Text Solution

    |

  18. The pH values of 0.1 M aq. solutions of (I) NaCl (II), HCl (III) HCOON...

    Text Solution

    |

  19. 50 ml of 0.2 M NH(4)OH and 50 ml of 0.2 M HCl solutions are Mixed. pH ...

    Text Solution

    |

  20. The pKa of HCOOH at 298 K = 3.8. The pKb of NH(4)OH at 298 K = 4.8. Th...

    Text Solution

    |