The vapour pressure of two liquids P and Q are 80 and 60 torr respectively. The total vapour pressure of solution obtained by mixing 3 mol of P and 2 mol of Q would be
Acidified KMnO4 oxidizes oxalic acid to CO2. What is the volume (in litres) of 10–4m KMnO4 required to completely oxidize 0.5 litres of 10–2 M oxalic acid in acid medium |
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A binary liquid solution is prepared by mixing n–heptane and ethanol. Which one of the following statements is correct regarding the behavior of the solution? |
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Volume of water needed to mix with 10 mL N HCl to get 0.1 N HCl is |
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A 5.2 molal aqueous solution of methyl alcohol, CH3OH is supplied. What is the mole fraction of methyl alcohol in the solution? |
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A solution containing 10 g per dm3 of urea (molecular mass = 60) is isotonic with a 5% solution of a non–volatile solute. The molecular mass of this non–volatile solute is |
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The vapour pressure of pure water at 20°C is 17.5 mm Hg. If 18 g of glucose (C6H12O6) is added to 178.2 g of water at 20°C,the vapour pressure of resulting solution will be |
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0.004 M Na2SO4 is isotonic with 0.01 M Glucose. Degree of dissociation of Na2SO4 is |
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If α is the degree of dissociation of Na2SO4,the Van't Hoff factor (i) used for calculating the molecular mass is |
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In an oxidation reduction reaction, dichromate (Cr2O–2 |
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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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