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Chapter 01 Solutions

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

ChemistryA solute has i = 0.875 and forms only dimers. Out of 200 initial particles, how many particles participate in dimer formation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryWhy is molar mass obtained from a colligative property called abnormal in some cases?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Easy ChemistryFor an electrolyte, i = 2.0. Which situation is not possible?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Hard ChemistryA solute gives a much higher apparent molar mass from both boiling-point elevation and freezing-point depression. What does this suggest?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryAn AB₃ salt has an apparent molar mass of 50 g mol⁻¹ and a true molar mass of 125 g mol⁻¹. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryA solution has i = 0.25. If the solute undergoes complete association, what type of group is formed?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Easy ChemistryFor partial dissociation of FeCl₃, the van’t Hoff factor is 3.1. What is the approximate degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryA solute dissociates into two ions and its colligative property is 30% higher than normal. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Medium ChemistryA colligative property is 25% lower than its normal expected value. If the cause is dimer association, what is the degree of association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryIf a solute has i = 1, what is the most appropriate meaning in the context of abnormal molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6Easy ChemistryA salt M₂X has an apparent molar mass equal to 0.5 times its true molar mass. What is its degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryAn acid has true molar mass 60 g mol⁻¹ and apparent molar mass 96 g mol⁻¹ in benzene. If it only forms dimers, what is the approximate degree of association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 15Hard ChemistryA solute has i = 1.75. If it dissociates into two ions, what is its apparent molar mass compared with the true molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryA freezing-point depression experiment gives i = 2.7 for an unknown solute. If it is of type AB₂, what is the approximate degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium ChemistryFor a solution, i = 0.70. Which statement is correct?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7Easy ChemistryAn AB electrolyte is 40% dissociated. From 100 initial formula units, how many effective particles will be present?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryTwenty percent of a solute’s particles form dimers and 80% remain as single particles. Starting with 100 particles, what is the effective number of particles?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryIn which case will the apparent molar mass be the highest?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryIn which solution is the apparent molar mass most likely to be the lowest?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryWhy is the osmotic pressure of a NaCl solution higher than that of a glucose solution of the same concentration?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 8Easy