Home
Class 11
CHEMISTRY
What is the pH of a solution of 0.28 M a...

What is the pH of a solution of 0.28 M acid and 0.84 M of its conjugate base if the ionization constant of acid is `4xx10^(-4)`?

A

`3.88`

B

`3.34`

C

7

D

`10.12`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • GASEOUS STATE

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos
  • SOLID STATE

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos

Similar Questions

Explore conceptually related problems

The pH of 0.1 M solution of a weak acid is 3. What is the value of the ionisation constant for the acid?

What is the pH of a 0.010 M solution of a weak acid HA that is 4.0 % ionized ?

Calcuate the degree of ionisation and pH of 0.05 M solution of a weak base having the ionization constant (K_(b)) is 1.77xx10^(-5). Also calculate the ionisation constnat of the conjugate acid of this base.

The pH of 0.1 M solution of an organic acid is 4.0. Calculate its dissociation constant.

It has been found that the pH of a 0.01 M solution of an orginic acid is 4.15 . Calculate the concentration of the anion, the ionization constant of the acid and its pK_(a) .

In 0.1 M - solution, a mono basic acid is 1% ionized. The ionisation constant of the acid is

NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Exercise
  1. H(2)CO(3)+NaHCO(3) found in blood helps in maintaining pH of the blood...

    Text Solution

    |

  2. 100 mL of 0.02M benzoic acid (pK(a)=4.2) is titrated using 0.02 M NaOH...

    Text Solution

    |

  3. What is the pH of a solution of 0.28 M acid and 0.84 M of its conjugat...

    Text Solution

    |

  4. The toxic compound 2,4-dinitrophenol has K(a)=10^(-4). In an experimen...

    Text Solution

    |

  5. Equilibrium constant for the following reaction is 1xx10^(-9) : C(5)...

    Text Solution

    |

  6. Which one of the following mixture does not act as a buffer solution?

    Text Solution

    |

  7. The acid dissociation constant of uric acid is K(a)=4.0xx10^(-6) M. Th...

    Text Solution

    |

  8. CH(3)NH(2) (0.12 mole, pK(b)=3.3) is added to 0.08 moles of HCl and th...

    Text Solution

    |

  9. An aqueous solution at room temperature contains 0.1 M NH(4)Cl and 0.0...

    Text Solution

    |

  10. A 1L solution contains 0.2M NH(4)OH and 0.2M NH(4)Cl. If 1.0 mL of 0.0...

    Text Solution

    |

  11. 0.1 M formic acid solution is titrated against 0.1 M NaOH solution. Wh...

    Text Solution

    |

  12. The total number of different kind of buffers obtained during the titr...

    Text Solution

    |

  13. A buffer solution is made up of acetic acid [pK(a)=5] having conc.=1.5...

    Text Solution

    |

  14. The pH of a solution of 0.10 M CH(3)COOH increases when which of the f...

    Text Solution

    |

  15. H^(+) ion concentration of water does not change by adding:

    Text Solution

    |

  16. pK(a) of NH(4)^(+) is 9.26. Hence, effective range for NH(4)OH-NH(4)Cl...

    Text Solution

    |

  17. 1.0 L solution is prepared by mixing 61 g benzoic acid (pK(a)=4.2) wit...

    Text Solution

    |

  18. The pH of a solution containing 0.4 M HCO(3)^(-) and 0.2 M CO(3)^(2-) ...

    Text Solution

    |

  19. The pH of the resultant solution of 20 mL of 0.1 M H(3)PO(4) and 20 mL...

    Text Solution

    |

  20. The graph represents the titration curve for :

    Text Solution

    |