Home
Class 12
CHEMISTRY
A buffer solution is prepared in which t...

A buffer solution is prepared in which the concentration of `NH_(3)` is `0.30 M` and the concentration of `NH_(4)^(+)` is `0.20 M`. If the equilibrium constant, `K_(b)` for `NH_(3)` equals `1.8xx10^(-5)`, what is the `pH` of this solution? (`log 2.7=0.43`)

A

8.73

B

9.08

C

9.43

D

11.72

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • EQUILIBRIUM

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -D)|20 Videos

  • EQUILIBRIUM

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -B)|35 Videos

  • ENVIRONMENTAL CHEMISTRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D) (Assertion - Reason Type Questions)|5 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    AAKASH INSTITUTE|Exercise Assignment (Section-D) Assertion-Reason Type Question|15 Videos

Similar Questions

Explore conceptually related problems

A buffer solution is prepared in which the concentration of NH_(3) is 0.30M and the concentration of NH_(4)^(+) is 0.20M . If the equilibrium constant k_(b) for NH_(3) equals 1.8xx10^(-3) what is the pH of this solution?

Calculate the pH of 0.10 M solution of Nh_(4)Cl. The dissociation constant (K_(b)) of NH_(3) is 1.8xx10^(-5)

Calculate the pH of 0.10 M solution of NH_4CI . The dissociation constant (K_b) "of" NH_3 "is" 1.8 xx 10^(-5) .

A basic buffer contains 0.8 mole of NH_(4)Cl and 0.2 mole of NH_(4)OH for litre of a solution the K_(b) of base is 1.8 xx 10^(-5) . Then the P^(H) of the buffer solution is (log 1.8 = 0.2553)

Concentration of NH_(4)Cl and NH_(4)OH in a buffer solution are in the ratio of 1 : 10 , Kb for NH_(4)OH is 10^(-10) . The pH of the buffer is

Calculate [OH^(-)] in 0.20M solution of NH_(3) , if K_(b) for NH_(3) is 1.8xx10^(-5) .

If the concentration of [NH_(4)^(+)] in a solution having 0.02 M NH_(3) and 0.005 M Ca ( OH)_(2) is a xx 10^(-6) M,determine a. [k_(b) ( NH_(3)) = 1.8 xx 10^(-5) ]

AAKASH INSTITUTE-EQUILIBRIUM-ASSIGNMENT (SECTION -C)
  1. Given that equilibrium constant for the reaction 2SO(2)(g) + O(2)(g)hA...

    Text Solution

    |

  2. Given the reaction between 2 gases represented by A(2) and B(2) to giv...

    Text Solution

    |

  3. A buffer solution is prepared in which the concentration of NH(3) is 0...

    Text Solution

    |

  4. For the reaction N(2)(g)+O(2)(g) hArr 2NO(g), the equilibrium constant...

    Text Solution

    |

  5. In qualitative analysis, the metals of group I can be separated from o...

    Text Solution

    |

  6. The value of DeltaH for the reaction X2(g) +4Y2(g) hArr 2XY4(g) is...

    Text Solution

    |

  7. In which of the following equilibrium Kc and Kp are not equal ?

    Text Solution

    |

  8. What is [H^(+)] in mol//L of a solution that is 0.20 M in CH(3)COONa a...

    Text Solution

    |

  9. In a buffer solution containing equal concentration of B^(-) and HB, t...

    Text Solution

    |

  10. The reaction, 2A(g) + B(g)hArr3C(g) + D(g) is begun with the conce...

    Text Solution

    |

  11. The dissociation constants for acetic acid and HCN at 25^(@)C are 1.5x...

    Text Solution

    |

  12. The ionization constant of ammonium hydroxide is 1.77xx10^(-5) at 298 ...

    Text Solution

    |

  13. What is the [OH^(-)] in the final solution prepared by mixing 20.0 mL ...

    Text Solution

    |

  14. the value of equilibrium constant for the reaction HI(g) hArr 1//2 ...

    Text Solution

    |

  15. Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a ...

    Text Solution

    |

  16. The values of K(p(1)) and K(p(2)) for the reactions X hArr Y+Z ….(i...

    Text Solution

    |

  17. If the concentration of OH^(-) ions in the reaction Fe(OH)(3)(s)hArr...

    Text Solution

    |

  18. The dissociation equilibrium of a gas AB2 can be represented as, 2AB2(...

    Text Solution

    |

  19. Equimolar solutions of the following were prepared in water separately...

    Text Solution

    |

  20. The following equilibrium constants are given N2+3H2 harr 2NH3,K1 ...

    Text Solution

    |