Home
Class 12
CHEMISTRY
Which of the following pairs constitutes...

Which of the following pairs constitutes a buffer ?

A

`HNO_2 and NaNO_2`

B

`NaOH and NaCI`

C

`HNO_3 and NH_4 NO_3`

D

`HCI and KCI`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • EQUILIBRIUM

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

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION -B)|35 Videos
  • ENVIRONMENTAL CHEMISTRY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION-D) (Assertion - Reason Type Questions)|4 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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

Similar Questions

Explore conceptually related problems

Which of the following mixture constitute a buffer?

Which of the following constitutes a buffer ?

Which of the following pairs constitute isotones ?

Which of the following pairs constitute isotones ?

Which of the following pairs is wrong

Which of the following pair is correct ?

Which of the following pair is correct ?

Which of the following pairs will not form a buffer solution?

Which of the following pairs do not constitute resonanting structures ?

Consider a block suspended from a light string as shown in the digure. Which of the following pairs of forces constitute Newton's third law pair ?

AAKASH INSTITUTE ENGLISH-EQUILIBRIUM-ASSIGNMENT (SECTION -C)
  1. Which one of the following anions species has the greatest proton af...

    Text Solution

    |

  2. For the reaction CH(4(g))+2O(2(g))hArrCO(2(g))+2H(2)O(l): (DeltaH=-1...

    Text Solution

    |

  3. Which of the following pairs constitutes a buffer ?

    Text Solution

    |

  4. The hydrogen ion concentration of a 10^(-8) M HCl aqueous solution at ...

    Text Solution

    |

  5. At 25^(@)C, the dissociation constant of a base, BOH id 1.0xx10^(-12)....

    Text Solution

    |

  6. Equilibrium constants K(1) and K(2) for the following equilibria NO(...

    Text Solution

    |

  7. H(2)S gas when passed through a solution of cations containing HCl pre...

    Text Solution

    |

  8. The dissociation constant of a weak acid is 1 xx 10^(-4). In order of ...

    Text Solution

    |

  9. Which one of the following is not acid-base conjugate pair ?

    Text Solution

    |

  10. For the reaction, I(2)(aq)hArrI(2)" (oil), Equilibrium constant is K...

    Text Solution

    |

  11. Given exothermic reaction CoCl4^(2-)(aq)+6H2O(l) hArr [Co(H2O)6]^(2+...

    Text Solution

    |

  12. For preparing a buffer solution of pH = 7.0 which buffer system you wi...

    Text Solution

    |

  13. For a chemical reaction of the type AhArrB, K=2.0 and BhArrC, K=0.01. ...

    Text Solution

    |

  14. A solution is 0.10 M in Ag^(+), Ca^(2+), Mg^(2+) and Al^(3+) ions. Whi...

    Text Solution

    |

  15. Which one of the following species acts only as a base ?

    Text Solution

    |

  16. At 100^@C the Kw of water is 55 times its value at 25^@C . What will b...

    Text Solution

    |

  17. Which of the following is most soluble ?

    Text Solution

    |

  18. At 80 ^(@ ) C , pure distilled water has [H3O^(+) ]= 1 xx 10 ^(-6) ...

    Text Solution

    |

  19. The pH value of blood does not change appreciably by a small addition ...

    Text Solution

    |

  20. The pH value of 10^(-7) M solution HCI is

    Text Solution

    |