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Abnormal Molecular Mass

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

ChemistryA 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 7EasyChemistryA solution should normally have an osmotic pressure of 2.00 atm, but its actual osmotic pressure is 3.20 atm. If the solute dissociates into two ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryFor a solute with i = 1.6, if it dissociates into three ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9MediumChemistryA solute undergoes 70% tetramerisation. If the normal freezing-point depression is 0.80 K, what is the observed depression?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14HardChemistryThe true molar mass of an AB₃ salt is 160 g mol⁻¹. If 25% dissociation occurs, what is its apparent molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13MediumChemistryIf the apparent molar mass of a solute is 1.25 times its true molar mass, what is the van’t Hoff factor and what does it indicate?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9MediumChemistryAn AX₃ salt is 20% dissociated. From 250 initial formula units, how many effective particles will be present?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryA solution has van't Hoff factor i = 1.05. Which explanation is most appropriate?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6EasyChemistryA solute forms dimers and has i = 0.64. What is the degree of dimer association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13MediumChemistryAssume 80% dissociation of AlCl₃. What is the value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11EasyChemistryIf the van’t Hoff factor of BaCl₂ is 2.5, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryFor a solute, i = 5/4. If it dissociates into two ions, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryAn AB₄ electrolyte is 25% dissociated. What is the value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11EasyChemistryA colligative property is 0.55 times its normal value. If the solute forms only dimers, what is the degree of association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13MediumChemistryFor a K₂SO₄ solution, i = 2.6 is observed. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryA solution shows i = 1.9. Which situation matches this value?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11EasyChemistryIf the apparent molar mass is 60% greater than the true molar mass, what is the approximate value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryA solution has i = 2.05. If the solute is of the A2B type, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryA solute has i = 0.8125 and forms only tetramers. What is the degree of association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium