Home
Class 12
CHEMISTRY
An aqueous soluton contain a substance w...

An aqueous soluton contain a substance which yields ` 4 xx 10^(-3)` mol `"litre"^(-1)` ion of `H_(3)O^(+)` . If log 2 is 0.3010 the pH of the solution is :

A

2.398

B

1.5

C

3

D

3.4

Text Solution

Verified by Experts

The correct Answer is:
A

`[H^(+)]=4xx 10^(-3)`M
`:. pH=-log4 xx 10^(-3)=2.395`
Promotional Banner

Topper's Solved these Questions

  • AIIMS 1999

    AIIMS PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos
  • AIIMS 2001

    AIIMS PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos

Similar Questions

Explore conceptually related problems

Calculate the pH of solution having H^+ ion concentration of 5 xx 10^(-4)" mole/litre "

What is pOH of an aqueous solution with hydrogen ion concentration equal to 3xx10^(-5)" mol L"^(-1) ?

A drop of solution ("volume" =0.05 mL) contains 3xx10^(-2) mole of H^(+) . If the rate constant of disappearance of H^(+) is 1.0xx10^(2) mol litre^(-1) minute^(-1) . How long (in minutes) will it take to disappear all the H^(+) ions?

If log 2= 0.3010 , and log 3= 0.4771 then log 150 = ______

AIIMS PREVIOUS YEAR PAPERS-AIIMS 2000-CHEMISTRY
  1. The mixed salt among the following is :

    Text Solution

    |

  2. If s and S are respectiveluy solubility and solubility product of a s...

    Text Solution

    |

  3. An aqueous soluton contain a substance which yields 4 xx 10^(-3) mol ...

    Text Solution

    |

  4. SOCl(2)+CH(3)COOH to CH(3)COCl+HCl+SO(2) . The reaction is endothermi...

    Text Solution

    |

  5. An example of closed system is :

    Text Solution

    |

  6. For the reaction H(2)+I(2)hArr2NHI, DeltaH=12.40 kcal. The heat of f...

    Text Solution

    |

  7. If 50 ml of A(2)B(3) reacts completely with 200 ml of C(2) in closed v...

    Text Solution

    |

  8. If the atomic number of an element is 33, it will be placed in the per...

    Text Solution

    |

  9. The volume of 10 vol H(2)O(2) required to liberate 500 cm^(3) of O(2) ...

    Text Solution

    |

  10. The oxide of which metal is most stable to heat :

    Text Solution

    |

  11. A hydride of nitrogen which is acidic in nature is :

    Text Solution

    |

  12. Which melts in boiling water :

    Text Solution

    |

  13. Nitric acid may be kept in a bottle of :

    Text Solution

    |

  14. When zinc reacts with very dilute nitric acid it produces

    Text Solution

    |

  15. Which loses weight on exposure to the atmosphere :

    Text Solution

    |

  16. The reactionof chlorine with CO in the presence of sunlight gives :

    Text Solution

    |

  17. The gas used for inflating the tyres of aeroplanes is

    Text Solution

    |

  18. d-Block elements are arranged in ...... of periodic table :

    Text Solution

    |

  19. Which no mixing gives deep brown colour :

    Text Solution

    |

  20. CH-=CH overset(O(3)//NaOH)to X overset(Zn//CH(3)COOH)to Y . Y is

    Text Solution

    |