Home
Class 11
CHEMISTRY
Solution of 0.1 N NH4 OH and 0.1 N NH4 C...

Solution of 0.1 N `NH_4 OH and 0.1 N NH_4 Cl "has " P^(H) 9.25 ` . Then ` P^(K_b) of NH_4 OH ` is

A

` 9.25`

B

` 4.75`

C

` 3.75`

D

` 8.25`

Text Solution

Verified by Experts

The correct Answer is:
B
`POH = PK_b + log ""(S)/(B) `
` 14- 9. 25 =PK_b +log "" (0.1)/( 0.1 ) rArr PK_b =4.75`
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBRIUM

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE -III LEVEL -II (ADVANCED) (Straight Objective Type Questions))|12 Videos

  • IONIC EQUILIBRIUM

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE -III LEVEL -II (ADVANCED) (More than One answer Type Questions Type Questions))|10 Videos

  • IONIC EQUILIBRIUM

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE -II LEVEL -II (ADVANCED ) (Matrix Matching Type Questions))|10 Videos

  • HYDROGEN AND ITS COMPOUNDS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|20 Videos

  • ISOMERISM

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE ( PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|10 Videos

Similar Questions

Explore conceptually related problems

A buffer solution contains 0.2 mole of NH_4 OH and 0.2 mole of NH_4 Cl per litre. The PK_b of NH_4 OH is 4.75 The pH of the buffer will be

The pH of a buffer solution formed by mixing 30ml of 0.1 M NH_(4) OH and 30ml os 1M NH_(4) Cl solution is 8.6. The pK _(b) of NH-(4) OH is

A solution consists of 0.2 M NH_4 OH and 0.2 M NH_4Cl . If K_b of NH_4 OH is 1. 8 xx 10 ^(-5) , the [OH^(-) ] of the resulting solution is

The pH of a buffer solution made by mixing 25 mL of 0.02 M NH_(4)OH and 25 mL of 0.2 M NH_(4)CI at 25 ^(circ) is ( p^(K_(b)) of NH_(4)OH = 4.8 )

A solution is prepared by mixing 100 ml of 0.1 M NH_(4) OH and 200 ml of 0.2 M NH_(4) Cl . pK_(b) of NH_(4) OH is 4.8 . Then the pH of the solution is

What is the maximum concentration of Mg^(+2) that can be introduced into a solution containing 0.1 M NH_3 and 0.01 M NH_4^(+ ) without causing precipitation of Mg (OH)_2 ? K_b of NH_3 = 10^(6) K_(sp) of Mg(OH)_2 =1.2 xx 10^(-12)

The P^(H) of an aqueous solution of NH_4 CN( K_a of HCN is 9.2 xx 10^(-10) & K_b of NH_4 OH is 1.8 xx 10^(-5))

AAKASH SERIES-IONIC EQUILIBRIUM -PRACTICE SHEET (EXERCISE -III LEVEL -I (MAIN) (Straight Objective Type Questions))
  1. When 100 ml of 0.4 M CH3 COOH is mixed with 100 ml of 0.2 M NaOH , th...

    Text Solution

    |

  2. An acidic buffer contains

    Text Solution

    |

  3. Assertion (A): The pH of a buffer solution containing equal moles of a...

    Text Solution

    |

  4. Assertion (A): The aqueous solution of CH(3)COONa is alkaline in natur...

    Text Solution

    |

  5. The hydrolysis constant of CH3 COONa is given by

    Text Solution

    |

  6. For a conjugate acid -base pair , Ka and Kb are related as

    Text Solution

    |

  7. The pH of the mixture of 25 ml of 0.01 M of CH3 COOH (Ka of CH3 COOH =...

    Text Solution

    |

  8. To a buffer solution of CH(3),COOH and CH(3),COONa, some HCI is added....

    Text Solution

    |

  9. An acidic buffer contains 0.06 M salt and 0.02 M acid . The dissociati...

    Text Solution

    |

  10. Solution of 0.1 N NH4 OH and 0.1 N NH4 Cl "has " P^(H) 9.25 . Then ...

    Text Solution

    |

  11. For acetic acid and sodium acetate buffer, addition of which of the fo...

    Text Solution

    |

  12. A solution consists of 0.2 M NH4 OH and 0.2 M NH4Cl . If Kb of NH4 ...

    Text Solution

    |

  13. 50 ml of 0.1 M solution of sodium acetate and 50 ml of 0.01 M acetic ...

    Text Solution

    |

  14. When 100 ml of 0.4 M CH3 COOH is mixed with 100 ml of 0.2 M NaOH , th...

    Text Solution

    |

  15. An acidic buffer contains

    Text Solution

    |

  16. Assertion (A): The pH of a buffer solution containing equal moles of a...

    Text Solution

    |

  17. Assertion (A): The aqueous solution of CH(3)COONa is alkaline in natur...

    Text Solution

    |

  18. The hydrolysis constant of CH3 COONa is given by

    Text Solution

    |

  19. For a conjugate acid -base pair , Ka and Kb are related as

    Text Solution

    |

  20. The pH of the mixture of 25 ml of 0.01 M of CH3 COOH (Ka of CH3 COOH =...

    Text Solution

    |