Home
Class 11
CHEMISTRY
If K(a1),K(a2) and Ka3) be the first, se...

If `K_(a_1),K_(a_2)` and `K_a_3)` be the first, second and third dissociation constant of `H_(3)PO_(4)` and `K_(a_1)gtgt K_(2_a) gtgtK_(a_3)` whis is/are correct :

A

`[H^(+)]~~sqrt(K_(a_1)[H_(3)PO_(4)]`

B

`[H^(+)]~~[HPO_(4)^(2-)]`

C

`K_(a_2)~~[HPO_(4)^(2-)]`

D

`[HPO_(4)^(-2)]=[PO_(4)^(3-)]`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • GASEOUS STATE

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos

  • SOLID STATE

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos

Similar Questions

Explore conceptually related problems

K_(a_(1)), K_(a_(2)) and K_(a_(3)) are the three dissociation constants of H_3PO_4 . Which of the following is a correct order

For the mechanism A+B ? K_(2) C, C overset(k_(3)) rarr D (a) Derive the rate law using the steady-state approximation to eliminate the concentration of C. (b)\ Assuming that k_(3) lt lt k_(2) , express the pre- exponential factor A and E_(a) for the apparent second- order rate constant in terms of A_(1), A_(2) and A_(3) and E_(a1), E_(a2) and E_(a3) for the three steps.

K_(a1) , K_(a2) and K_(a3) are the respective ionisation constants for the following reactions. H_(2)ShArrH^(+)+HS^(-) , HS^(-)hArrH^(+)S^(-2) H_(2)ShArr2H^(+)+S^(2-) The correct relationship between K_(a1) , K_(a2) and K_(a3) is

For every diprotic acid of the type H_(2)X , how would you relate ionisation constant K_(a1) and K_(a2)

NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Exercise
  1. A solution is 0.01 M Kl and 0.1 M KCl. If solid AgNO(3) is added to th...

    Text Solution

    |

  2. Which of the following are conjugate acid-base pairs ?

    Text Solution

    |

  3. If K(a1),K(a2) and Ka3) be the first, second and third dissociation co...

    Text Solution

    |

  4. H(2)A is a weak diprotic acid. If the pH of 0.1 M H(2)A solution is 3 ...

    Text Solution

    |

  5. Statement-1: pH value of acidic buffer solution changes , If buffer so...

    Text Solution

    |

  6. Assertion : In a titration of weak monoprotic acid with strong base, t...

    Text Solution

    |

  7. Assertion: In the titration of Na(2)CO(3) with HCl using methyl orange...

    Text Solution

    |

  8. Assertion : Solubility of AgCl in NH(3)(aq) is greater than in pure wa...

    Text Solution

    |

  9. Assertion (A): Solubility of AgCN in acidic solutions is greater than ...

    Text Solution

    |

  10. Calculate pOH of 0.1 M aq. Solution of weak base BOH (K(b)=10^(-7)) at...

    Text Solution

    |

  11. pH of 0.01 M aq. Solution of HA is 4. Find the value of pK(a) of HA at...

    Text Solution

    |

  12. Calculate approximate pH of 10^(-10) M NaOH at 25^(@)C.

    Text Solution

    |

  13. Calclate pH of a resultant solution of 25 mL of 0.1 M HCl, 50 mL of 0....

    Text Solution

    |

  14. Calculate pH of a resultant solution of 0.1 M HA (K(a)=10^(-6)) and 0....

    Text Solution

    |

  15. 0.16g of N(2)H(4) are dissolved in water and the total volume made upt...

    Text Solution

    |

  16. Calculate pH of a buffer solution that contains 0.1M NH(4)OH(K(b)=10^(...

    Text Solution

    |

  17. Calculate the ratio of sodium formate and cormic acid (K(a)=2xx10^(-4)...

    Text Solution

    |

  18. What is the pOH of 0.1 M KB (salt of weak acid and strong base) at 25^...

    Text Solution

    |

  19. A certain weak acid has K(a)=10^(-5). If the equiolibrium constant for...

    Text Solution

    |

  20. If solubility of AgCl in 0.2 M solution of AgNO(3) is represented as ...

    Text Solution

    |