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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।

ChemistryThe true molar mass of a substance is 60 g mol^-1, but the freezing-point method gives an observed molar mass of 30 g mol^-1. What is the value of the van't Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16MediumChemistryIf the true molar mass is 120 g mol^-1 and the van't Hoff factor i = 2 for a solute, what observed molar mass will be obtained from a colligative-property measurement?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16MediumChemistryIn which case is it safest to treat the observed molar mass as the normal molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 18EasyChemistryWhy may the observed molar mass of NaCl be lower than its true molar mass during molar mass determination?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18EasyChemistryIf the observed molar mass of a substance is 60 g mol⁻¹ and its normal molar mass is 120 g mol⁻¹, what is the van’t Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 18EasyChemistryIf i = 2, how will the observed molar mass compare with the normal molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 18EasyChemistryIf a solute dissociates during molar-mass determination, how is the observed molar mass generally found?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 18EasyChemistryIf more solute particles are formed in a solution, how will the colligative effect be for the same mass?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 18EasyChemistryIf the normal molar mass is 100 g mol⁻¹ and the observed molar mass is 50 g mol⁻¹, what is the Van’t Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 17EasyChemistryWhich factor is used to explain abnormal molar mass properly?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 17EasyChemistryIn which situation is the molar-mass value called abnormal?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 17MediumChemistryIf a solute dissociates into ions in solution, how is the observed molar mass generally obtained compared with the normal molar mass?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 17EasyChemistryIf CaCl₂ completely dissociates into ions, what is the ideal value of the van’t Hoff factor (i)?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 16EasyChemistryWhen is it necessary to use the van’t Hoff factor i in molar-mass determination?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16EasyChemistryIf the observed molar mass of a solute is half its true molar mass, what is the value of the van’t Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16MediumChemistryIf the true molar mass is 60 g mol⁻¹ and the van’t Hoff factor is i = 2, what is the observed molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16EasyChemistryWhat happens to the observed molar mass when dissociation occurs?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16EasyChemistryWhy can an abnormal molar mass be obtained for a solute in solution?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16EasyChemistryA solution has i = 1. Which situation is most suitable for it?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15EasyChemistryIf MgCl₂ undergoes 50% dissociation, what is the value of the van’t Hoff factor (i)?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 15Medium