Home
Class 12
CHEMISTRY
pH of (HCN + KCN) buffer can be inreased...

pH of (HCN + KCN) buffer can be inreased by __________ .

A

Adding HCN

B

Adding KCN

C

Adding limiting KOH

D

Dilution

Text Solution

Verified by Experts

The correct Answer is:
B, C, D
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILLIBRIUM

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-IV) ( Straight Objective Type Questions )|30 Videos

  • IONIC EQUILLIBRIUM

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-I ) LEVEL -I ( Straight Objective Type Questions )|15 Videos

  • IONIC EQUILLIBRIUM

    AAKASH SERIES|Exercise LECTURE SHEET ( EXERCISE-II ) (Straight Objective Type Questions)|28 Videos

  • GROUP 17 ELEMENTS

    AAKASH SERIES|Exercise EXERCISE - 3.2|38 Videos

  • METALLURGY

    AAKASH SERIES|Exercise EXERCISE - 7.2|23 Videos

Similar Questions

Explore conceptually related problems

For the buffer solution containing NH_(4)OH and NH_(4) CI, P^(H) of the buffer solution can be increased by

PH_(3) can be obtained by :

PH_3 can be obtained by heating

An acidic buffer contains

pH of a buffer solution decreases by 0.02 units when 0.12 g of acetic acid is added to 250 mL of a buffer solution of acetic acid and potassium acetate at 27^(circ)C . The buffer capacity of the solution is

Higher the amount of acid or base used to produce a definite change of pH in a buffer solutions, higher will be its buffer capacity . Buffer capacity of solution is maximum under the following conditions: [Salt ]= [Acid ](in acid buffer ) ,[Salt ] =[Base] (in base buffer) pH of a buffer solution lies in the range given below : pH= pK_a +1 In other words any buffer solutions can be used as buffer up two pH units only. depending upon the value of pK_a or pK_b . A buffer is said to be efficient when pH = pK_a or pOH =pK_b , Buffer capacity is maximum when:

When 0.1 mole of an acid is added to 2 lit of a buffer solution, the P^(H) of the buffer decreases by 0.5 The buffer capacity of the solution is

AAKASH SERIES-IONIC EQUILLIBRIUM-LECTURE SHEET ( EXERCISE-III) ( Straight Objective Type Questions)
  1. Dissociation of CH(3),COOH is supressed by adding

    Text Solution

    |

  2. Which pair will show common ion effect ?

    Text Solution

    |

  3. Equal volumes of the following solutions are mixed. Which form buffer ...

    Text Solution

    |

  4. pH of (HCN + KCN) buffer can be inreased by .

    Text Solution

    |

  5. Which one of the following is/are buffer solution(s)?

    Text Solution

    |

  6. Which of the following do not show change in pH on dilution?

    Text Solution

    |

  7. Which are acidic salts ?

    Text Solution

    |

  8. A 0.1 M solution of weak acid HA is 1% dissociated at 25^(@)C To this ...

    Text Solution

    |

  9. 0.15 mole of pyridinium chloride has been added into 500 cm^(3) of 0.2...

    Text Solution

    |

  10. A certain buffer solution contains equal concentration of X^(-) and HX...

    Text Solution

    |

  11. Certain weak acid has P^(ka) = 4. Find pH of 0.01M NaA(ag)

    Text Solution

    |

  12. The dissociation constant of a substituted benzoic acid at 25^(0)C is ...

    Text Solution

    |

  13. If P^(ka) of acetic acid and P^(kb) of ammonium hydroxide are 4.76 ea...

    Text Solution

    |

  14. Higher the amount of acid or base used to produce a definite change of...

    Text Solution

    |

  15. Higher the amount of acid or base used to produce a definite change of...

    Text Solution

    |

  16. 20 ml 0.1M CH(3),COOH has P^(H) value 3. It is titrated with 0.1M NaOH...

    Text Solution

    |

  17. What is the p^(H) of the solution after 50% of acid is neutralised

    Text Solution

    |

  18. What is [OH^(-1)] of the solution at the equivalence point at 25^(@) C

    Text Solution

    |

  19. The following aqueous solutions given in column containing 1:1 mole ra...

    Text Solution

    |

  20. Match the Column-I with Column-II : {:("List-I", " " "List-II"),((A)...

    Text Solution

    |