Home
Class 11
CHEMISTRY
At 25^(@)C dissociation constants of aci...

At `25^(@)`C dissociation constants of acid HA and base BOH in aqueous solution are same. The pH of 0.01 M solution of HA is 5. The pOH of `10^(-4)` M solution of BOH at the same temperature is :

A

`3.5`

B

4

C

6

D

None of these

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

At 25^(@)C , the dissociation constants of CH_(3)COOH and NH(4)OH in aqueous solution are almost same (10^(-5)) . If pH of same acetic acid solution is 3. The pH solution of NH_(4)OH of same conc. At the same temperature would be

"At 25^(0)C the ionisation constant of weak mono acidic base is 10^(-9) .At the same temperature the pH of 0.1M solution of the base is

pH of 0.01 M aq. Solution of HA is 4. Find the value of pK_(a) of HA at 25^(@)C.

The ionisatioln constant of a mono basic acid is 5 xx 10^(-2) . The pH of 0.01 M acid solution is

The dissociation constant of weak acid HA is 1 xx 10^(-5) . Its concentration is 0.1 M . pH of that solution is

NARENDRA AWASTHI-IONIC EEQUILIBRIUM-Exercise
  1. Consider the following salts. Which one(s) when dissolved in water wil...

    Text Solution

    |

  2. Consider the following salts. Which one(s) when dissolved in water wil...

    Text Solution

    |

  3. At 25^(@)C dissociation constants of acid HA and base BOH in aqueous s...

    Text Solution

    |

  4. Which of the following solutions has the highest pH?

    Text Solution

    |

  5. pH of solutions of four sodium salts NaW, NaX, NaX, NaY and NaZ were f...

    Text Solution

    |

  6. The pH values 0.1 M solution of HCOONa (I), HCOOH (II),CH(3)COONH(4) (...

    Text Solution

    |

  7. pH of an aqueous NaCl solution at 50^(@)C should be :

    Text Solution

    |

  8. Upon hyderolysis of sodium carbonate, the reaction takes place between...

    Text Solution

    |

  9. The solution of blue vitrol in water is acidic because:

    Text Solution

    |

  10. 1 mL of 0.1 N HCl is added to 999 mL solution of NaCl. The pH of the r...

    Text Solution

    |

  11. If a salt of strong acid and weak base hydrolyses appreciably (alpha=0...

    Text Solution

    |

  12. The correct formula to calculate the hydroxyl ion concentration of an ...

    Text Solution

    |

  13. [H^(+)] =sqrt((K(w)K(a))/C) is suitable for

    Text Solution

    |

  14. What is the hydrolysis constant of the OCl^(-) ion? The ionization con...

    Text Solution

    |

  15. What is the pH of a 0.10 M C(6)H(5)O^(-) solution? The K(a) of C(6)H(5...

    Text Solution

    |

  16. Calculate the [OH^(-)] in 0.01M aqueous solution of NaOCN(K(b) for OCN...

    Text Solution

    |

  17. What is the ionization constant of an acid if the hydronium ion concen...

    Text Solution

    |

  18. The degree of hydrolysis of 0.1 M RNH(3)Cl solution is 1.0%. If the co...

    Text Solution

    |

  19. % hydrolysis of 0.1M CH(3)COONH(4), when K(a)(CH(3)COOH)=K(b)(NH(4)OH)...

    Text Solution

    |

  20. The enthalpy of neutralisation of four acids HA,HB,HC and HD witgh NaO...

    Text Solution

    |