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KMnO₄ reacts with oxalic acid according to the equation, 2MnO₄^- + 5C₂O₄^2- + 16H^+ → 2Mn^+ + CO₂ + H₂O, here 20 ml of 0.1 M KMnO₄ is equivalent to [CBSE PMT 1996]

Question: KMnO reacts with oxalic acid according to the equation, 2MnO^- + 5CO^2- + 16H^+ → 2Mn^+ + CO₂ + HO, here 20 ml of 0.1 M KMnO is equivalent to [CBSE PMT 1996]

(a) 20 ml of 0.5 M HCO

(b) 50 ml of 0.1 M HCO

(c) 50 ml of 0.5 M H₂CO

(d) 20 ml of 0.1 M HCO


Correct Answer: (b) 50 ml of 0.1 M HCO


Question: KMnO₄ reacts with oxalic acid according to the equation, 2MnO₄^- + 5C₂O₄^2- + 16H^+ → 2Mn^+ + CO₂ + H₂O, here 20 ml of 0.1 M KMnO₄ is equivalent to [CBSE PMT 1996] (a) 20 ml of 0.5 M H₂C₂O₄ (b) 50 ml of 0.1 M H₂C₂O₄ (c) 50 ml of 0.5 M H₂C₂O₄ (d) 20 ml of 0.1 M H₂C₂O₄




More Question

  1. What quantity of ammonium sulphate is necessary for the production of NH₃ gas sufficient to neutralize a solution containing 292 g of HCl ? [HCl=36.5; (NH₄)₂SO₄ =132; NH₃ =17] [CPMT 1992]
  2. Haemoglobin contains 0.33% of iron by weight. The molecular weight of haemoglobin is approximately 67200. The number of iron atoms (At. wt. of Fe = 56) present in one molecule of haemoglobin is [CBSE PMT 1998]
  3. In the reaction, 4NH₃(g) + 5O₂(g) → 4NO(g) + 6H₂O(g) , When 1 mole of ammonia and 1 mole of O₂ are made to react to completion
  4. 2.76 g of silver carbonate on being strongly heated yield a residue weighing [Pb. CET 2003]
  5. How much water should be added to 200 c.c of semi normal solution of NaOH to make it exactly deci normal [AFMC 1983]
  6. How much of NaOH is required to neutralise 1500 cm³ of 0.1 N HCl (Na = 23) [KCET 2001]
  7. In which of the following pairs of compounds the ratio of C, H and O is same
  8. The empirical formula of an acid is CH₂O₂, the probable molecular formula of acid may be [AFMC 2000]
  9. The empirical formula of a compound is CH₂O 0.0835 moles of the compound contains 1.0 g of hydrogen. Molecular formula of the compound is
  10. A compound (80 g) on analysis gave C = 24 g, H = 4 g, O = 32 g. Its empirical formula is [CPMT 1981]
  11. If two compounds have the same empirical formula but different molecular formula, they must have [MP PMT 1986]
  12. The percentage of nitrogen in urea is about [KCET 2001]
  13. The percentage of oxygen in NaOH is [CPMT 1979]
  14. The number of sodium atoms in 2 moles of sodium ferrocyanide is [BHU 2004]
  15. A sample of phosphorus trichloride (PCl₃) contains 1.4 moles of the substance. How many atoms are there in the sample [Kerala PMT 2004]
  16. The number of molecules of CO₂ present in 44g of CO₂ is [BCECE 2005]
  17. How many atoms are contained in one mole of sucrose (C₁₂H₂₂O₁₁) [Pb. PMT 2002]
  18. Molarity of liquid HCl with density equal to 1.17g / cc is [CBSE PMT 2001]
  19. 2g of oxygen contains number of atoms equal to that in [BHU 1992]
  20. The number of moles of sodium oxide in 620g of it is [BHU 1992]
  21. The number of electrons in a mole of hydrogen molecule is [CPMT 1987]
  22. The number of water molecules in 1 litre of water is [EAMCET 1990]

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