Home
Class 11
CHEMISTRY
When NH(3)(0.1 M) 50 ml mix with HCl (0....

When `NH_(3)(0.1 M) 50 ml` mix with `HCl (0.1 M) 10 ml` then what is `pH` of resultant solution (`pK_(b)=4.75)`

A

`9.25`

B

`10`

C

`9.85`

D

`4.15`

Text Solution

Verified by Experts

The correct Answer is:
C
`underset(rem.)underset()underset(Initial)(NH_(3))+underset(4mmol)underset(5mmol)underset(50xx0.1)(HCl) rarr underset(0)underset(1mmol)underset(10xx0.1)(NH_(4)Cl)`
`pOH=pK_(b)+log``("salt")/(base)`
`=4.75+log``(1)/(4)=4.15`
`pH=14-pOH=14-4.15=9.85`
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBIUM

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • IONIC EQUILIBIUM

    A2Z|Exercise Section B - Assertion Reasoning|21 Videos

  • HYDROGEN

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • MOCK TEST

    A2Z|Exercise Mock Test 2|45 Videos

Similar Questions

Explore conceptually related problems

100 ml of 0.15 M HCl is mixed with 100 ml of 0.05 M HCl, is the pH of the resulting solution?

Aniline behaves as a weak base. When 0.1 M, 50 mL solution of aniline was mixed with 0.1 M , 25mL solution of HCl the pH of resulting solution was 8. The the pH of 0.01 M solution of anilinium chloride will be (K_w =10^(-14))

10 ml of M/10 NH_(4)OH is mixed with 4ml of M/10H_(2)SO_(4) solution. The pH of the resulting solution is (pK_(b)NH_(4)OH=4.76), (log2=0.3) .

5 mL of 0.4 N NaOH is mixed with 20 mL of 0.1 N HCl. The pH of the resulting solution will be

20 mL of 0.5 M HCl is mixed with 30 mL of 0.3 M HCl, the molarity of the resulting solution is :

100 ml of 0.1 M CH_(3)COOH are mixed with 100ml of 0.1 M NaOH , the pH of the resulting solution would be

100 mL solution (I) of buffer containin 0.1 (M) HA and 0.2 (M) A^- , is mixed with another solution (II) of 100 mL containing 0.2 (M) HA and 0.3 (M) A^- . After mixing, what is the pH of resulting solution ? [Given: pK_a of HA=5]

50 mL of 0.1 M HCl and 50 mL of 2.0 M NaOH are mixed. The pH of the resulting solution is

200 mL of 0.4M solution of CH_(3)COONa is mixed with 400 mL of 0.2 M solution of CH_(3)COOH . After complete mixing, 400 mL of 0.1 M NaCl is added to it. What is the pH of the resulting solution? [K_(a) of CH_(3)COOH=10^(-5)]

A2Z-IONIC EQUILIBIUM-AIPMT/ NEET/ AIIMS Questions
  1. If pH of A, B,C and D are 9.5, 2.5, 3.5 and 5.5 respectively, then str...

    Text Solution

    |

  2. One weak acid (like CH(3)COOH) and its strong base together with salt ...

    Text Solution

    |

  3. The hydrogen ion concentration of 0.001 M NaOH solution is

    Text Solution

    |

  4. The strongest Bronsted base in the following anion is

    Text Solution

    |

  5. Which equilibrium can be described as an acid- base reaction using the...

    Text Solution

    |

  6. The solubility of CuBr is 2xx10^(-4) at 25^(@)C. The K(sp) value for C...

    Text Solution

    |

  7. Solubility of AgCl at 20^(@)C is 1.435xx10^(-3) g per litre. The solub...

    Text Solution

    |

  8. The pH of a solution at 25^(@)C containing 0.10 m sodium acetate and 0...

    Text Solution

    |

  9. What is the pH of 0.01 M glycine solution? For glycine, K(a(1))=4.5xx1...

    Text Solution

    |

  10. At 298 K a0.01 M CH(3)COOH solution is 1.34% ionized. The ionization c...

    Text Solution

    |

  11. Which one of the following is not a buffer solution?

    Text Solution

    |

  12. When a solution of benzoic acid was titrated with NaOH the pH of the s...

    Text Solution

    |

  13. Amount of (NH(4))(2)SO(4) which must be added to 50mL of 0.2 M NH(4)OH...

    Text Solution

    |

  14. When NH(3)(0.1 M) 50 ml mix with HCl (0.1 M) 10 ml then what is pH of ...

    Text Solution

    |

  15. When CH(3)COOCH(3)+HCl is titrated with NaOH then at neutral point the...

    Text Solution

    |

  16. Which of the following have maximum pH?

    Text Solution

    |

  17. Assertion: Addition of silver ions to a mixture of aqueous sodium chlo...

    Text Solution

    |

  18. Assertion: Heat given out during neutralisation of NaOH and HF is -13....

    Text Solution

    |

  19. Assertion: 0.1 M NaCN+0.05 M HCl solution on mixing in equal volume fo...

    Text Solution

    |

  20. Assertion: The pH of NH(4)OH remains unchanged on addition of NH(4)Cl....

    Text Solution

    |