A Mixture Containing 0.05 Mol Of K2Cr2O7 and 0.02 Mol Of KMnO4 was Treated With Excess Of KI In Acidic Medium. The Liberated Iodine Required 2.0 L Of Na2S2O3 solution For Titration. Concentration Of Na2S2O3solution Was

1 mole of equimolar mixture of ferric oxalate and ferrous oxalate will require x mol of KMnO₄ in acidic medium for complete oxidation. x is

If x g is the mass of NaHC₂O₄ required to neutralize 100 mL of 0.2 MNaOH and y g that required to reduce 100 mL of 0.02 M KMnO₄ in acidic medium, then

A mixture of K₂C₂O₄ and KHC₂O₄ required equal volumes of 0.1 M K₂Cr₂O₇ for oxidation and 0.1 M NaOH for neutralization in separate titrations. The molar ratio of K₂C₂O₄ and KHC₂O₄ in the mixture is :

An equilmolar mixture of Na₂C₂O₄ and H₂C₂O₄ required V₁L of 0.1 M KMnO₄ in acidic medium for complete oxidation. The same amount of the mixture required V₂L of 0.1 M NaOH for neutralization. The ratio of V₁ to V₂ is

In an iodometric estimation, the following reactions occur

0.15 mol of CuSO₄ of 80% purity was added to excess of KI solution and the liberated iodine required 12 mL 120mL of hypo. The molarity of hypo solution was

A mixture of NaOH and Na₂CO₃ required 25mL of 0.1 M HCl using phenolphthalein as indicator. However, the same amount of the mixture required 30mL of 0.1 M HCl when methyl orange was used as the indicator. The molar ratio of NaOH and Na₂CO₃ in the mixture was

A 1.70 g sample of H₂O₂ solution containing x% H₂O₂ by mass requires xmL of KMnO₄ solution for complete oxidation under acidic condition. The molarity of KMnO₄ solution is

What volume at STP of gaseous ammonia will be required to be passed into 100mL of 0.5 M H₂SO₄ to bring down its strength to 0.25 M?

20 mL of a solution containing Na₂CO₃ and NaHCO₃ requires 10 mL of 0.1 N H₂SO₄ for neutralization using phenolphthalein as an indicator. Methyl orange is then added when a further 10 mL of 0.2 N H₂SO₄ is required. Molar concentration of Na₂CO₃ and NaHCO₃ in the solution respectively are

Calculate the molarity of KMnO₄ solution, 20 mL of which is just sufficient to oxidize 0.238 g of U⁴⁺ in acidic medium according to the reaction (atomic mass of U = 238)