Search questions
Use text search or combine filters to find exactly the questions you need.
Class 12 · Chemistry
→In a solution, half of solute A dimerises and half remains in its normal monomeric form. What is the van’t Hoff factor, i?
Class 12 · Chemistry
→For an AB₂ salt, i = 2.6 is found. What is the percentage dissociation?
Class 12 · Chemistry
→Which option gives the correct direction of abnormal molar mass due to dissociation?
Class 12 · Chemistry
→If a solute associates according to 3A ⇌ A₃ to the extent of 45%, what is the value of i?
Class 12 · Chemistry
→A solute has a true molar mass of 60 g mol⁻¹ and i = 0.75. What will be its observed molar mass?
Class 12 · Chemistry
→For an unknown solute, the boiling-point elevation is 1.5 times the expected value. If it is an AB-type electrolyte, what is the degree of dissociation?
Class 12 · Chemistry
→Which statement gives the correct relation between i and particle number?
Class 12 · Chemistry
→If the observed molar mass of a solute is 25% higher than its true molar mass, what is the value of i?
Class 12 · Chemistry
→In a solution, FeCl₃ is assumed to be 60% dissociated. What is the van’t Hoff factor, i?
Class 12 · Chemistry
→At the same molality, which solution gives the lowest osmotic pressure near the ideal limiting case?
Class 12 · Chemistry
→A solute has i = 0.875 and undergoes only dimerisation. What is its degree of dimerisation?
Class 12 · Chemistry
→If i = 1.75 and the solute can dissociate into two ions, what will the observed molar mass be compared with the true molar mass?
Class 12 · Chemistry
→A salt A₃B₂ is 20% dissociated. What is its van’t Hoff factor, i?
Class 12 · Chemistry
→For acetic acid in benzene, i = 0.65 is found. If only dimerisation occurs, what is the degree of dimerisation?
Class 12 · Chemistry
→A colligative property doubles while the masses of solute and solvent remain the same. What is the most likely reason?
Class 12 · Chemistry
→If a CaCl₂ solution has i = 2.5, what is the degree of dissociation?
Class 12 · Chemistry
→For 25% dissociation of an AB electrolyte, what fraction of the true molar mass will be observed?
Class 12 · Chemistry
→A substance has i = 0.4 and undergoes only m-fold association. If the association is complete, what is the value of m?
Class 12 · Chemistry
→For a 1:2 electrolyte, the observed molar mass is 5/8 of the true molar mass. What is the degree of dissociation?
Class 12 · Chemistry
→