Home
Class 12
CHEMISTRY
0.5 gm of an oxalate was dissolved in wa...

0.5 gm of an oxalate was dissolved in water and the solution raised to 100 ml. 10 ml of this solution when titrated with N/20 `KMnO_4` required 10 ml of `KMnO_4`. Calculate the % of oxalate ion in the sample. (K = 39, Mn = 55)

Text Solution

Verified by Experts

The correct Answer is:
`44%`
Promotional Banner

Topper's Solved these Questions

  • CLASSROOM PROBLEMS

    MOTION|Exercise Surface Chemistry|16 Videos
  • CLASSROOM PROBLEMS

    MOTION|Exercise Electrochemistry|22 Videos
  • CLASSROOM PROBLEMS

    MOTION|Exercise Ionic Equilibrium|35 Videos
  • Chemical Kinetics

    MOTION|Exercise Exercise - 4 (Level - II) (SUBJECTIVE PROBLEM)|1 Videos
  • CLASSROOM PROBLEMS 1

    MOTION|Exercise THERMODYNAMICS|17 Videos

Similar Questions

Explore conceptually related problems

0.5 g of an oxalate was dissolved in water and the solution made to 100 mL. On titration 10 mL of this solution required 15 mL of (N)/(20)KMnO_(4) . Calculate the percentage of oxalate in the sample .

A sample of sodium carbonate contains sodium also. 1.5 g of the sample is dissolved in water and volume raised to 250 mL. 25 mL of this solution requires 20 mL of (N)/(10)H_(2)SO_(4) solution for neutralisation. Calculate the percentage of sodium carbonate in the sample.

0.3 g of an oxalate salts was dissolved in 100 mL solution. The solution required 90 mL of N//20 KMnO_(4) for complete oxidation. The % of oxalate ion in salt is:

0.63 g of diabasic acid was dissolved in water. The volume of the solution was made 100 mL . 20 mL of this acid solution required 10 mL of N//5 NaOH solution. The molecular mass of acid is:

MOTION-CLASSROOM PROBLEMS -Oxidation and Reduction
  1. Calculate mol of (a) MnO4^– and (b) Cr2O7^(2–) to oxidise 1 mol of Fe...

    Text Solution

    |

  2. A mixture of Na2C2O4 and KHC2O4. H2C2O4 required equal volume of 0.1 M...

    Text Solution

    |

  3. 5.5 g of a mixutre of FeSO4.7H2O and Fe2(SO4)3.9H2O requires 5.4 " mL ...

    Text Solution

    |

  4. 19.6 gm of ferrous ammonium sulphate [FeSO4(NH4)2SO4 .6H2O] were disso...

    Text Solution

    |

  5. 0.5 gm of an oxalate was dissolved in water and the solution raised to...

    Text Solution

    |

  6. Hydroxylamine reduced iron (+3) according to eq. 2NH2OH + 4Fe^(+ + +) ...

    Text Solution

    |

  7. 10 g of a mixture of Cu2S and Cus was titrated with 200 " mL of " 0.75...

    Text Solution

    |

  8. A solution of 0.2 g of a compound containing Cu^(2+) and C(2)O(4)^(2-)...

    Text Solution

    |

  9. 5 mL of 8 N HNO(3), 4.8 mL of 5N HCl and a certain volume of 17 M H(2)...

    Text Solution

    |

  10. A polyvalent metal weghing 0.1 g and having atomic weight 51 reacted w...

    Text Solution

    |

  11. A sample of ferrous sulphate and ferrous oxalate was dissolved in dil....

    Text Solution

    |

  12. A sample of Fe2(SO4)3 and FeC2O4 was dissolved in dil H2SO4. The compl...

    Text Solution

    |

  13. A 6.0 gm sample contained Fe3O4, Fe2O3 and inert materials. It was tre...

    Text Solution

    |

  14. A 50.0 cm^3 portion of a mixture of H2SO4 and H2C2O4 required 48.9 cm3...

    Text Solution

    |

  15. A 5.0 mL of solution of H(2)O(2) liberates 0.508 g of iodine from acid...

    Text Solution

    |

  16. A 3.0g sample containing Fe(3)O(4),Fe(2)O(3) and an inert impure subst...

    Text Solution

    |

  17. One litre of mixture of O2 and O3 at STP was allowed to react with an ...

    Text Solution

    |

  18. An aqueous solution containing 0.10 g KIO(3) (formula weight=214.0) wa...

    Text Solution

    |

  19. How many millilitres of 0.5 M H(2)SO(4) are needed to dissolve 0.5 g o...

    Text Solution

    |

  20. Hydrogen peroxide solution (20 mL) reacts quantitatively with a soluti...

    Text Solution

    |