Home
Class 12
CHEMISTRY
The conjugate base of H(2)PO(4)^(-) is :...

The conjugate base of `H_(2)PO_(4)^(-)` is :

A

`PO_(4)^(3-)`

B

`HPO_(4)^(2-)`

C

`H_(3)PO_(4)`

D

`P_(2)O_(5)`

Text Solution

Verified by Experts

The correct Answer is:
B

`H_(2)PO_(4)^(-) hArr H^(+)+HPO_(4)^(-)`
conjugate base of `H_(2)PO_(4)^(-) ` is `HPO_(4)^(2-)`
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBRIUM

    DINESH PUBLICATION|Exercise SELECTED STRAIGHT OBJECTIVE TYPE MCQs|10 Videos
  • IONIC EQUILIBRIUM

    DINESH PUBLICATION|Exercise MCQs with only one correct Answer|29 Videos
  • IONIC EQUILIBRIUM

    DINESH PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|60 Videos
  • HYDROCARBONS

    DINESH PUBLICATION|Exercise All Questions|493 Videos
  • NO IDEA

    DINESH PUBLICATION|Exercise Unit Test -|1 Videos

Similar Questions

Explore conceptually related problems

The conjugate base of H_2PO_4^(-) is :

The conjugate base of HPO_(4)^(2-) is

The dihydrogen phosphate ion undergoes these reaction in water H_2PO_4^(-)(aq)+H_2O(l)toHPO_4^(2-)(aq)+H_3O^(+)(aq) K=6.2xx10^(-8) H_2PO_4^(-)(aq)+H_2O(l)toH_3PO_4(aq)+OH^(-)(aq) K=1.6xx10^(-7) What is the conjugate base of H_2PO_4^(-) ?

The conjugate base of HClO_(4) is a weaker base than H_(2)O . Explain.

Conjugate acid of PO_(4)^(-3) is

DINESH PUBLICATION-IONIC EQUILIBRIUM -REVISION QUESTIONS FROM COMPETITVE EXAMS
  1. 40 mg of pure sodium hydroxide is dissolved in 10 L of distilled water...

    Text Solution

    |

  2. Which one of the following is not an amphoteric substance ?

    Text Solution

    |

  3. The conjugate base of H(2)PO(4)^(-) is :

    Text Solution

    |

  4. The molar solubility ( in mol L^(-1)) of a sparingly soluble salt MX(4...

    Text Solution

    |

  5. Which is a Lewis base ?

    Text Solution

    |

  6. Which is an amphoteric oxide ?

    Text Solution

    |

  7. pK(a) of CH(3)COOH is 4.74 . The pH of 0.01 M CH(3)COONa IS

    Text Solution

    |

  8. K(sp) for Cr(OH)(2) is 2.7 xx 10^(-13) . What is its solubility in mol...

    Text Solution

    |

  9. The rapid change of pH near the stoichiometric point of an acid-base t...

    Text Solution

    |

  10. The solubility product of a sparingly soluble salt AX(2) is 3.2xx10^(-...

    Text Solution

    |

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

    Text Solution

    |

  12. Which of the following is acidic in nature ?

    Text Solution

    |

  13. At 90^(@)C, pure water has [H(3)O^(o+)] = 10^(-6)M. What is the value ...

    Text Solution

    |

  14. The pH of a buffer solution of 0.1 M NH(4)OH [ pK(a)=4.0] and 0.1 M NH...

    Text Solution

    |

  15. 50 mL of 0.1 M HCl and 50 mL of 2.0 M NaOH are mixed. The pH of the r...

    Text Solution

    |

  16. The solubility product of a salt having general formula MX(2) in water...

    Text Solution

    |

  17. Hydrogen ion concentration in mol//L in a solution of pH=5.4 will be:

    Text Solution

    |

  18. The conjugate base of OH^(-) is :

    Text Solution

    |

  19. The pH of a solution of H(2)O(2) is 6.0. Some chlorine gas is bubbled ...

    Text Solution

    |

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

    Text Solution

    |