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Class 12 · Chemistry
→If the freezing-point depression of a solution is less than the value expected for a non-associated solute, which reason is most probable?
Class 12 · Chemistry
→If the boiling-point elevation of a solution is greater than the value expected for a non-electrolyte, what may be the reason?
Class 12 · Chemistry
→Which pair contains only colligative properties?
Class 12 · Chemistry
→Which property of a solute is not important for determining colligative properties?
Class 11 · Chemistry
→If two molecules associate to form one dimer and the degree of association is 60%, what is the van’t Hoff factor, i?
Class 12 · Chemistry
→For a non-dissociated solute, the elevation in boiling point is given by ΔT_b = K_bm. If the same solute dissociates 50% into two ions, what is the van’t Hoff factor, i?
Class 12 · Chemistry
→If 2 moles of particles are effectively present in a solution while 1 mole was expected for the ideal non-dissociated state, what is the van't Hoff factor i?
Class 12 · Chemistry
→For reverse osmosis, the applied external pressure must be greater than what?
Class 12 · Chemistry
→In reverse osmosis, in which direction does the solvent move?
Class 12 · Chemistry
→Which solution is likely to have the highest osmotic pressure if temperature is the same?
Class 12 · Chemistry
→In a solution, the actual number of solute particles is twice the expected number. What is its van't Hoff factor?
Class 12 · Chemistry
→A solution has relative lowering of vapour pressure equal to 0.02. Assuming an ideal dilute solution, what is the mole fraction of solute?
Class 12 · Chemistry
→A solute’s apparent molar mass determined from osmotic pressure is greater than its actual molar mass. What does this indicate?
Class 12 · Chemistry
→If an electrolyte of type AB₂ dissociates completely, what will be its ideal van't Hoff factor?
Class 12 · Chemistry
→Why is the freezing point of a solution lower than that of the pure solvent?
Class 12 · Chemistry
→Why is the boiling point of a solution higher than that of the pure solvent?
Class 12 · Chemistry
→If the osmotic pressure of a solution is measured at 27 °C, what temperature value should be used in the formula?
Class 12 · Chemistry
→If equal masses of different solutes are dissolved in equal masses of water, which solute will cause the greater freezing-point depression?
Class 12 · Chemistry
→What is the correct meaning of the constant Kf used in freezing-point depression?
Class 12 · Chemistry
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