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Class 12 Chemistry के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ChemistryIf M_obs > M_true for a solute, which statement about i is correct?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 5EasyChemistryA salt A₂B is 25% dissociated. Find the value of i.Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7EasyChemistryAn acid dimerises in benzene due to hydrogen bonding. Which statement gives the correct effect?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 5EasyChemistryIf the Kb method gives molar mass 40 g mol−1 while the true value is 58.5 g mol−1, what is the most suitable reason?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6EasyChemistryFor a non-electrolyte with neither association nor dissociation, what is the value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 4EasyChemistryIn a boiling-point elevation experiment, the observed molar mass of a solute is three times its true molar mass. Which particle change is it closest to?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9MediumChemistryIf a solute has i = 1.25 and dissociates into two ions, what is its degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7EasyChemistryWhich observation best represents abnormal molar mass caused by association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6EasyChemistryA colligative property gives a van’t Hoff factor of i = 3. If the solute behaves like AlCl₃ and produces four ions on complete dissociation, what is its degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryIf AB is 50% dissociated into A⁺ and B⁻, what fraction of the true molar mass will be observed?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryA solute undergoes 40% dimerisation. What is its van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7EasyChemistryIf Kf and the measured masses are correct, but the freezing-point depression is greater than expected, what is the most likely cause of the abnormal molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7EasyChemistryA substance has a true molar mass of 120 g mol⁻¹, while the molar mass measured by the freezing-point method is 180 g mol⁻¹. What is i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8EasyChemistryIf a solute has i = 0.5, which statement about its particles is correct?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6EasyChemistryAn AB₂ salt undergoes 60% dissociation. What is its van’t Hoff factor in dilute solution?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7EasyChemistryA 1:1 electrolyte is 80% dissociated. What is its van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7EasyChemistryBenzoic acid is nearly dimerised in benzene. How will its molar mass measured by freezing-point depression compare with its true molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6EasyChemistryIn an ideal dilute solution, the molar mass measured from osmotic pressure is half the true molar mass. What is the most suitable conclusion about the solute particles?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8EasyChemistryA student calculates the molar mass of AlCl3 by assuming i = 1, although the actual i is 3.4. What is the apparent molar mass relative to the true molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7EasyChemistryA solute has i = 1.25. What is the ratio of its apparent molar mass to its true molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7Easy