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
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
138 grams of ethyl alcohol is mixed with 72 grams of water. The ratio of mole fraction of alcohol to water is |
Answer | |||||||||||||||
'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? |
Answer | |||||||||||||||
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? |
Answer | |||||||||||||||
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? |
Answer | |||||||||||||||
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 |
Answer | |||||||||||||||
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 |
Answer | |||||||||||||||
X is dissolved in water. Maximum boiling point is observed when X is _______ (0.1 M each): |
Answer | |||||||||||||||
The volume of 10 N and 4 N HCl required to make 1 litre of 7 N HCl are |
Answer | |||||||||||||||
Which of the following set of variables give a straight line with a negative slope when plotted? (P = Vapour pressure; T = Temperature in K)
|
Answer | |||||||||||||||
The empirical formula of a nonelectrolyte is CH2O. A solution containing 3 g of the compound exerts the same osmotic pressure as that of 0.05 M glucose solution. The molecular formula of the compound is |
Answer |