In an oxidation reduction reaction, dichromate (Cr2O–2
7) ion is reduced to Cr+3 ion. The equivalent weight of K2Cr2O7 in this reaction is
Molecular weight/3
Molecular weight/6
Molecular weight/1
Molecular weight/2
Additional Questions
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In the redox reaction, 2KMnO4 + 3H2SO4 + 5H2C2O4 → K2SO4 + 2MnSO4 + 8H2O + 10CO2 The volume of 0.1 M KMnO4 required to Oxidize 25 mL of 0.25 M H2C2O4solution is |
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138 grams of ethyl alcohol is mixed with 72 grams of water. The ratio of mole fraction of alcohol to water is |
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'x' grams of water is mixed in 69 grams of ethanol. Mole fraction of ethanol in the resultant solution is 0.6. What is the value of 'x' in grams? |
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In an oxidation reduction reaction, MnO4 ion is converted to Mn2+. What is the number of equivalents of KMnO4 (mol. wt = 158) present in 250 ml of 0.04 M KMnO4 solution? |
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What is the volume (in ml) of 0.1 M potassium permanganate solution required tocompletely oxidize 100 ml of 0.5M ferrous sulphate solution in acidic medium? |
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35.4 ml of HCl is required for the neutralization of a solution containing 0.275 g of sodium hydroxide. The normality of hydrochloric acid is |
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The volume of two HCl solutions A(0.5 N) and B(0.1 N) to be mixed for preparing 2l of 0.2 N HCl solution |
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X is dissolved in water. Maximum boiling point is observed when X is _______ (0.1 M each): |
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The volume of 10 N and 4 N HCl required to make 1 litre of 7 N HCl are |
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Which of the following set of variables give a straight line with a negative slope when plotted? (P = Vapour pressure; T = Temperature in K)
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