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Abnormal Molar Mass

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

ChemistryIf solute AB completely dissociates into A⁺ and B⁻, the observed molar mass from the colligative method will be what fraction of the true value?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16Medium ChemistryIf a solute undergoes association, how will the molar mass obtained by a colligative-property method compare with its true molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16Medium ChemistryIf a solute undergoes dissociation, how will the molar mass calculated without applying the van’t Hoff factor compare with the true molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16Medium ChemistryIf the observed molar mass is 1.25 times the true molar mass, what is the van’t Hoff factor (i)?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16Medium ChemistryIf the observed molar mass of a solute is 2/3 of its true molar mass, what is the van’t Hoff factor (i)?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16Medium ChemistryIf NaCl is completely dissociated and its true molar mass is 58.5 g mol^-1, what will be its ideal observed molar mass approximately?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 16Medium 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 16Medium ChemistryIf 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 16Medium ChemistryWhy may acetic acid show a higher observed molar mass in benzene?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18Easy ChemistryWhy 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 18Easy ChemistryIf the normal molar mass is 60 g mol⁻¹ and the observed molar mass is 120 g mol⁻¹, what is the van’t Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 18Easy ChemistryIf 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 18Easy ChemistryWhich relation is correct between the van't Hoff factor (i) and molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 18Easy ChemistryIf a solute dissociates during molar-mass determination, how is the observed molar mass generally found?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 18Easy ChemistryIf a solute associates during molar-mass determination, how is the observed molar mass generally found?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 18Easy ChemistryIf the normal molar mass is 60 g mol⁻¹ and the observed molar mass is 120 g mol⁻¹, which process is possible?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 17Easy ChemistryIf 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 17Easy ChemistryA student determines the molar mass of a solute by the osmotic pressure method. If the solute undergoes dimerisation in solution, which conclusion about the calculated molar mass is correct?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 17Easy ChemistryWhich factor is used to explain abnormal molar mass properly?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 17Easy ChemistryIn which situation is the molar-mass value called abnormal?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 17Medium