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?
Volume of water needed to mix with 10 mL N HCl to get 0.1 N HCl is |
Answer |
A 5.2 molal aqueous solution of methyl alcohol, CH3OH is supplied. What is the mole fraction of methyl alcohol in the solution? |
Answer |
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 |
Answer |
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 |
Answer |
0.004 M Na2SO4 is isotonic with 0.01 M Glucose. Degree of dissociation of Na2SO4 is |
Answer |
If α is the degree of dissociation of Na2SO4,the Van't Hoff factor (i) used for calculating the molecular mass is |
Answer |
In an oxidation reduction reaction, dichromate (Cr2O–2 |
Answer |
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 |
Answer |
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 |