When KMnO4 acts As An Oxidising Agent And Ultimately Forms , Then The Number Of Electrons Transferred In Each Case Respectively Is

Both  (aq) can be used to titrate Fe²⁺ (aq). If in a given titratoion, 24.50 cm³ of 0.1 M  were used, then what volume of 0.1 M  solution would have been used for the same titration?

1.1 g of a sample of copper ore is dissolved and Cu²⁺ (aq) is treated with KI. The iodine thus liberated required 12.12 cm³ of 0.1 M Na₂S₂O₃solution for titration. What is the percentage of copper in the ore?

Oxidation number of sodium in sodium amalgam is

In the given reaction,

X, Y, Z are

Which will be the proper alternative in place of A in the following equation.

Number of moles of K­_2­Cr₂O₇ reduced by 1 mole of Sn²⁺ is

The values of x and y in the following redox reaction,

In the standardization of Na₂S₂O₃ using K₂Cr₂O₇ by iodometry, the equivalent weight of K₂Cr₂O₇ is

For decolourization of 1 mole of KMnO₄, the moles of H₂O₂ required is

Excess of KI reacts with CuSO₄ solution and Na₂S₂O₃ solution is added to it. Which of the statements is incorrect foe the reaction?