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7 Abnormal Molecular Mass

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

ChemistryIf the observed molar mass is twice the true molar mass, what are the van’t Hoff factor i and the indicated behaviour?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryIf an AB electrolyte has a van’t Hoff factor i = 1.05, which conclusion is correct?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20EasyChemistryA solute undergoes 80% dimerisation. If its true molar mass is 100 g mol⁻¹, what will be its observed molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryA substance undergoes 20% trimerisation. What is its van’t Hoff factor, i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryThe true molar mass of a substance is 90 g mol⁻¹, whereas its observed molar mass is 45 g mol⁻¹. What are i and the likely cause?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20EasyChemistryIn a solution, 0.010 mol of solute produces 0.0075 mol of effective particles. What are i and the likely behaviour of the solute?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20EasyChemistryIf i = 1.2 and the substance can dissociate into two ions, which conclusion is most appropriate?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryIn a solution, half of solute A dimerises and half remains in its normal monomeric form. What is the van’t Hoff factor, i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryFor an AB₂ salt, i = 2.6 is found. What is the percentage dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryWhich option gives the correct direction of abnormal molar mass due to dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20EasyChemistryA solute has a true molar mass of 60 g mol⁻¹ and i = 0.75. What will be its observed molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryIf the observed molar mass of a solute is 25% higher than its true molar mass, what is the value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryA solute has i = 0.875 and undergoes only dimerisation. What is its degree of dimerisation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryIf 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 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryA salt A₃B₂ is 20% dissociated. What is its van’t Hoff factor, i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryFor acetic acid in benzene, i = 0.65 is found. If only dimerisation occurs, what is the degree of dimerisation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryIf a CaCl₂ solution has i = 2.5, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryFor 25% dissociation of an AB electrolyte, what fraction of the true molar mass will be observed?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20MediumChemistryA substance has i = 0.4 and undergoes only m-fold association. If the association is complete, what is the value of m?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20HardChemistryFor a 1:2 electrolyte, the observed molar mass is 5/8 of the true molar mass. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 20Hard