Home
Class 12
CHEMISTRY
An queous solution of an acid is so wea...

An queous solution of an acid is so weak that it can be assumed to be prectically unionised, boiled at `100.4^(@)C` 25 ml of this solution was neurtrased by 38.5 ml of 1 N solution of NaOH. Calculate basicity of the acid if `k_(b)(H_(2)O)=0.52" k mol"^(-1)" kg"`. Assume molality is equal to malarity.

A

10 mL

B

40 mL

C

100 mL

D

160 mL

Text Solution

Verified by Experts

The correct Answer is:
D
NA
Promotional Banner

Topper's Solved these Questions

  • QUALITATIVE ANALYSIS PART 1

    RESONANCE ENGLISH|Exercise A.L.P|39 Videos

  • SOLID STATE

    RESONANCE ENGLISH|Exercise PHYSICAL CHEMITRY (SOLID STATE)|45 Videos

Similar Questions

Explore conceptually related problems

An aqueous solution of an acid is so weak that it can be assumed to be practically unionised, boiled at 100.4^(circ)C . 25 mL of this solution was neutralised by 38.5 mL of 1N solution of NaOH . Calculate basicity of the acid if K_(b) for water is 0.52 K mol^(-1) kg . Assume molality equal to molarity.

0.84 g of a acid (mol wt. 150) was dissolved in water and the volume was made up to 100 ml. 25 ml of this solution required 28 ml of (N/10) NaOH solution for neutralisation. The equivalent weight and basicity of the acid

0.1 molal aqueous solution of an electrolyte AB_(3) is 90% ionised. The boiling point of the solution at 1 atm is ( K_(b(H_(2)O)) = 0.52 kg " mol"^(-1) )

7.5 g of an acid are dissolved per litre of the solution. 20 mL of this acid solution required 25 mL of N//15 NaOH solution for complete neutralization. Calculate the equivalent mass of the acid.

A 0.1 molal solution of an acid is 4.5% ionized. Calculate freezing point. (molecular weight of the acid is 300 ). K_(f)="1.86 K mol"^(-1)"kg".

A 5 per cent aqueous solution by mass of a non-volatile solute boils at 100.15^(@)C . Calculate the molar mass of the solute. K_(b)=0.52 K kg "mol"^(-1) .

A 0.025 m solution of mono basic acid had a freezing point of 0.06^(@)C . Calculate K_(a) for the acid K_(f) for H_(2)O=1.86^(@) "molality"^(-1) .

2.0 molal aqueous solution of an electrolyte X_(2) Y_(3) is 75% ionised. The boiling point of the solution a 1 atm is ( K_(b(H_(2)O)) = 0.52K kg mol^(-1) )

If 100mL of 0.1M urea solution is mixed with 300mL of 0.2M glucose solution at 300K. Calculate osmotic pressure?

A 0.075 molal solution of monobasic acid has a freezing point of -0.18^(@)C . Calculate K_(a) for the acid , (k_(f)=1.86)

RESONANCE ENGLISH-RANK BOOSTER-All Questions
  1. X gram of pure As2S3 is completely oxidised to respective highest oxid...

    Text Solution

    |

  2. Volume V(1)mL of 0.1 M K(2)Cr(2)O(7) is needed for complete oxidation ...

    Text Solution

    |

  3. An queous solution of an acid is so weak that it can be assumed to be...

    Text Solution

    |

  4. 100 mL of 0.1N I2 oxidizes Na2S2O3 in 50 ml solution to Na2S4O6.The no...

    Text Solution

    |

  5. 25mL of 2N HCl, 50 mL "of" 4N HNO(3) and x mL 2 M H(2)SO(4) are mixed ...

    Text Solution

    |

  6. An excess of NaOH was added to 100 mL of a ferric chloride solution.Th...

    Text Solution

    |

  7. 0.4 g of polybasic acid HnA (all the hydrogens are acidic) requries 0....

    Text Solution

    |

  8. A solution of Na2S2O3 is standardized iodometrically against 0.167g of...

    Text Solution

    |

  9. 25 g of a sample of FeSO(4) was dissolved in water containing dil. H(2...

    Text Solution

    |

  10. 25mL of a solution containing HCl and H2SO4 required 10 mL of a 1 N Na...

    Text Solution

    |

  11. An queous solution containing 2.14 g KIO3 was treated with 100 ml of 0...

    Text Solution

    |

  12. 0.7g of (NH(4))(2)SO(4) sample was boiled with 100mL of 0.2 N NaOH sol...

    Text Solution

    |

  13. A mixutre solution of KOH and Na2CO3 requires 15 " mL of " (N)/(20) HC...

    Text Solution

    |

  14. In a iodomeric estimation, the following reactions occur 2Cu^(2+)+4i...

    Text Solution

    |

  15. Consider the following statements and arrange in order of true/false a...

    Text Solution

    |

  16. Choose the correct statement :

    Text Solution

    |

  17. Which of the following statements is/are correct :

    Text Solution

    |

  18. A 5g sample containing Fe3O4 (FeO+Fe2O3) and an inert impurity is trea...

    Text Solution

    |

  19. Calcuim and magnesium ion form a 10^5 litre of sample of hard water wa...

    Text Solution

    |

  20. Two samples of HCl of 1.0 M and 0.25 M are mixed. Find volumes of thes...

    Text Solution

    |