MEDIUM
12th West Bengal Board
IMPORTANT
Earn 100

Why does a solution of ethanol and cyclohexane shows positive deviations?

Important Questions on Solutions

MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 39
At the same temperature, hydrogen is more soluble in water than helium. Which of the two has higher KH value?
MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 40
Give reason when 30 mL of ethyl alcohol and 30 mL of water are mixed, the volume of resulting solution is more than 60 mL.
MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 41
A and B liquids on mixing produced a warm solution. Which type of deviation is there and why?
MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 42
Two liquids X and Y boil at 145°C and 190° respectively. Which of them has higher vapour pressure at 80°C?
MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 43
Define mole fraction of a solute in a solution.
MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 44
Why is the vapour pressure of a solution of glucose in water lower than that of water?
MEDIUM
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 45
Why is freezing point depression of 0.1 M sodium chloride solution nearly twice that of 0.1 M glucose solution?
EASY
12th West Bengal Board
IMPORTANT
NEW SYSTEMATIC MODERN CHEMISTRY>Chapter 2 - Solutions>REVIEW EXERCISES>Q 46
How are ΔTb and ΔTf related to the molar mass of the solute?