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Class 12 · Chemistry · Easy
→Which statement correctly gives the cause of abnormal molar mass?
Class 12 · Chemistry · Easy
→The relative lowering of vapour pressure of a solute is 40% higher than expected. What value of i should be taken?
Class 12 · Chemistry · Easy
→If a solute has i = 0.9, how will its boiling-point elevation compare with that of a normal solute of the same molality?
Class 12 · Chemistry · Easy
→In which situation is i most likely to be much greater than 1?
Class 12 · Chemistry · Easy
→At the same molality, a solution has a freezing-point depression 0.6 times that of a normal solute. What is its observed molar mass relative to the true molar mass?
Class 12 · Chemistry · Easy
→Which observation most directly supports a higher molar mass caused by association?
Class 12 · Chemistry · Easy
→A solute has a true molar mass of 150 g mol−1, while the value measured by osmotic pressure is 100 g mol−1. What is i?
Class 12 · Chemistry · Easy
→When is the formula i = 1 + α(n − 1) appropriate?
Class 12 · Chemistry · Medium
→If a solute has i = 0.625 and undergoes only dimerisation, how many times the true molar mass will be observed?
Class 12 · Chemistry · Easy
→If i = 0.8 and the substance undergoes only dimerisation, how will its boiling-point elevation compare with that of a normal solute at the same molality?
Class 12 · Chemistry · Easy
→Which statement is correct when the value of i is less than one?
Class 12 · Chemistry · Easy
→In an experiment, the relative lowering of vapour pressure is 30% greater than the normal value. What should i be taken as?
Class 12 · Chemistry · Medium
→At the same concentration, which solution will show the highest colligative property if dissociation is complete?
Class 12 · Chemistry · Easy
→If a solute has i = 1.6, how will its osmotic pressure compare with that of a normal solute of the same molality?
Class 12 · Chemistry · Easy
→Which statement gives the correct relation between i and particle number?
Class 12 · Chemistry · Easy
→At the same molality, which solution gives the lowest osmotic pressure near the ideal limiting case?
Class 12 · Chemistry · Easy
→A colligative property doubles while the masses of solute and solvent remain the same. What is the most likely reason?
Class 12 · Chemistry · Easy
→A colligative experiment gives i = 1. Which conclusion is safest?
Class 12 · Chemistry · Easy
→In the osmotic-pressure method, from which ratio can i be understood directly?
Class 12 · Chemistry · Medium
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