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Class 12 · Chemistry
→Among equal-molality solutions, which will have the lowest freezing point assuming complete dissociation?
Class 12 · Chemistry
→A substance has a true molar mass of 72 g mol−1 and i = 2.4. What is its observed molar mass?
Class 12 · Chemistry
→Which option gives the correct limiting value of i for complete dimerisation?
Class 12 · Chemistry
→If a solute has i = 2.2 and can produce three ions, what is the percentage dissociation?
Class 12 · Chemistry
→In a solution, 0.02 mol solute gives 0.015 mol effective particles after association. What is i?
Class 12 · Chemistry
→For an AB2 salt, i = 1.1 is obtained. What is the safest conclusion?
Class 12 · Chemistry
→A solute has i = 0.75. If it undergoes only trimerisation, what is the degree of trimerisation?
Class 12 · Chemistry
→If KCl is 75% dissociated, how many times is its osmotic pressure compared with glucose at the same concentration?
Class 12 · Chemistry
→A substance undergoes 50% tetramerisation. How many times the true molar mass will be observed?
Class 12 · Chemistry
→If the observed molar mass of an AB3 salt is half its true molar mass, what is the degree of dissociation?
Class 12 · Chemistry
→Which statement correctly gives the cause of abnormal molar mass?
Class 12 · Chemistry
→A solute associates according to 2A ⇌ A2 to the extent of 90%. What is i?
Class 12 · Chemistry
→In a solution, 0.03 mol solute forms 0.045 mol effective particles. What are i and the likely behaviour?
Class 12 · Chemistry
→If Na2SO4 is 90% dissociated, what is its van’t Hoff factor, i?
Class 12 · Chemistry
→The relative lowering of vapour pressure of a solute is 40% higher than expected. What value of i should be taken?
Class 12 · Chemistry
→If a 1:1 electrolyte has i = 1.72, what is its percentage dissociation?
Class 12 · Chemistry
→A substance undergoes 40% tetramerisation. What is its van’t Hoff factor, i?
Class 12 · Chemistry
→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
→For an AB2 salt, the observed molar mass is 5/9 of the true molar mass. What is the degree of dissociation?
Class 12 · Chemistry
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