Home
Class 12
CHEMISTRY
The pKa of weak acid is 4.3. 600 ml of 0...

The pKa of weak acid is 4.3. 600 ml of 0.1 M weak acid HA is added to 250 ml of 0.2 M NaOH. The pOH of resulting solution is : (log5 = 0.7)

Text Solution

Verified by Experts

The correct Answer is:
7

The E.C. of element = [Ar] `3d^(5)4s^(2)`, Group = `7^(th)`
Promotional Banner

Topper's Solved these Questions

  • REVIEW TEST

    VIBRANT|Exercise PART - II : CHEMISTRY|19 Videos
  • REVIEW TEST

    VIBRANT|Exercise PART - III : CHEMISTRY|20 Videos
  • TEST PAPERS

    VIBRANT|Exercise PART - III : CHEMISTRY|61 Videos

Similar Questions

Explore conceptually related problems

100ml of 0.2 M H_(2)SO_(4) is added to 100 ml of 0.2 M NaOH . The resulting solution will be

50 mL of 0.1 M HCl and 50 mL of 2.0 M NaOH are mixed. The pH of the resulting solution is

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 :

If 40 ml of 0.2 M KOH is added to 160 ml of 0.1 M HCOOH [K_a= 2 xx 10^(-4)]. The pOH of the resulting solution is

100 ml of 0.1 M CH_(3)COOH are mixed with 100ml of 0.1 M NaOH , the pH of the resulting solution would be

20mL of 0.5 M HCl and 35 mL of 0.1 N NaOH are mixed. The resulting solution will

If 200 ml of 0.031 M solution of H _(2) SO_(4) is added to 84 ml of a 0.150 M KOH solution. What is the pH of the resulting solution? (log 7 = 0.845)

What is the pH of solution in which 25.0 mL of 0.1 M NaOH is added to 25 mL of 0.08 M HCl and final solution is diluted to 500 mL?

40mL sample of 0.1M solution of nitric acid is added to 20mL of 0.3M aqueous ammonia. What is the pH of the resulting solution?

VIBRANT-REVIEW TEST-PART - III : CHEMISTRY
  1. The pKa of weak acid is 4.3. 600 ml of 0.1 M weak acid HA is added to ...

    Text Solution

    |

  2. The gaseous reaction 2A(g) + nB(g) iff mC(g) is represented by foll...

    Text Solution

    |

  3. According to Slater's Rule effective nuclear charge of Na is x and of ...

    Text Solution

    |

  4. H^(+) ions are in excited state from where maximum 6 types of photons ...

    Text Solution

    |

  5. x = number of structure of molecular formula C(4)H(10)O which give fum...

    Text Solution

    |

  6. Determine the value of ((x+y^(2)))/(2) for Cr^(3+) ion Where x = nu...

    Text Solution

    |

  7. An alpha-particle having kinetic energy x MeV falls on a Cu-foil. The ...

    Text Solution

    |

  8. Identify the number of carbon atoms where oplus charge is delocalized.

    Text Solution

    |

  9. Electrons in a sample of H-atoms make transition from state n = y to s...

    Text Solution

    |

  10. Choose the incorrect statement(s) :

    Text Solution

    |

  11. In which of the following aromatic product is obtained

    Text Solution

    |

  12. I^(-) or the reaction I(2) (g) iff 2I(g). K(c )=6.25xx10^(-6) at 90...

    Text Solution

    |

  13. Phenol is less acidic than

    Text Solution

    |

  14. Give the correct order of initials T(True) for following statements :

    Text Solution

    |

  15. For similar nature of below graph where n le 5, select correct stateme...

    Text Solution

    |

  16. The electronic configuration of four element's are : (I) [Kr] 5s^(1...

    Text Solution

    |

  17. The rate consant for the forward reation A(g) iff 2B(g) is 1.5 xx 1...

    Text Solution

    |

  18. The value of four quantum number for the last e^(-) of atom of element...

    Text Solution

    |

  19. The value of four quantum number for the last e^(-) of atom of element...

    Text Solution

    |

  20. Acid are those compounds which give proton and base are those compound...

    Text Solution

    |

  21. Acid are those compounds which give proton and base are those compound...

    Text Solution

    |