Home
Class 12
CHEMISTRY
pK(a1) and pK(a2) of H2SO3 are 1.82 and ...

`pK_(a_1) and pK_(a_2)` of `H_2SO_3` are 1.82 and 7.2 respectively. The pH after 20 mL of 0.16 M NaOH is added to 40 mL of 0.08 M `H_2SO_3` is :

A

`7.0`

B

`1.82`

C

`8.8`

D

`4.51`

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Topper's Solved these Questions

  • HYDROGEN AND ITS COMPOUNDS

    GRB PUBLICATION|Exercise Subjective type|8 Videos

  • LIQUID SOLUTIONS

    GRB PUBLICATION|Exercise 11|12 Videos

Similar Questions

Explore conceptually related problems

The pK_(a1) and pK_(a2) of an amino acid are 2.3 and 9.7 respectively. The isoelectric point of the amino acid is:

pK_(a1) , pK_(a_(2)) and pK_(a_(3)) of H_(3)PO_(4) are respectively x,y and z. pH of 0.1 M Na_(2)HPO_(4) solution is

Calculate the pH of solution obtained by mixing 10 ml of 0.1 M HCl and 40 ml of 0.2 M H_(2)SO_(4)

If 20 mL of 0.1 M NaOH is added to 30 mL of 0.2 M CH_(3)COOH (pK_(a)=4.74), the pH of the resulting solution is :

What is the pH of a solution obtained by mixing 10 mL of 0.1 M HCl and 40 mL 0.2 M H_(2)SO_(4) ?

GRB PUBLICATION-IONIC EQUILIBRIUM-All Questions
  1. Approximate pH of 0.01M aqueous H(2)S solution, when K(1) and K(2) for...

    Text Solution

    |

  2. The first and second dissociation constant of an acid H(2)A are 1.0xx1...

    Text Solution

    |

  3. pK(a1) and pK(a2) of H2SO3 are 1.82 and 7.2 respectively. The pH after...

    Text Solution

    |

  4. In terms of K1, K2 and K3 of a weak triprotic acid H3B , the value of...

    Text Solution

    |

  5. In aqueous solution the ionizatin constants for carbonic acid are : ...

    Text Solution

    |

  6. Calculate the pH of 6.66xx10^(-3) M solution of Al(OH)3, its first dis...

    Text Solution

    |

  7. The Ka of phosphoric acid H3PO4 is 7.6xx10^(-3) at 25^@C For the rea...

    Text Solution

    |

  8. Calculate the hydronium ion concentration in 50.0 mL of 0.10 M NaH2AsO...

    Text Solution

    |

  9. Carbonic acid , H2CO3 is a diprotic acid for which K1=4.2xx10^(-7) and...

    Text Solution

    |

  10. What is the pH of a 0.15 M solution of formic acid, HCOOH ? {:("Form...

    Text Solution

    |

  11. The reverse process of neutralisation is :

    Text Solution

    |

  12. Consider an aqueous solution 0.1 M each in HOCN, HCOOH, (COOH)2 and H3...

    Text Solution

    |

  13. The dissociation constant of acetic acid at a given temperature is 1.6...

    Text Solution

    |

  14. When 0.1 mole solid NaOH is added to 1 L of 0.01 M NH3(aq) , then whic...

    Text Solution

    |

  15. At 25^@C, Kb for BOH=1.0xx10^(-12).0.01 M solution of BOH has [OH^-] :

    Text Solution

    |

  16. What is the degree of dissociation of weak acid HA (C=0.1 M) in prese...

    Text Solution

    |

  17. A pair of salts are given in a solution each is 0.1 M in concentration...

    Text Solution

    |

  18. Which of the following salts undergoes anionic hydrolysis ?

    Text Solution

    |

  19. The sodium salt of a certain weak monobasic organic acid is hydrolysed...

    Text Solution

    |

  20. The pH of a solution obtained by mixing 100 mL of 0.2 M CH3COOH with 1...

    Text Solution

    |