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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 solute has i = 0.75. If it undergoes only trimerisation, what is the degree of trimerisation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13MediumChemistryA substance undergoes 50% tetramerisation. How many times the true molar mass will be observed?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13MediumChemistryIf the observed molar mass of an AB3 salt is half its true molar mass, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14MediumChemistryWhich statement correctly gives the cause of abnormal molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryA solute associates according to 2A ⇌ A2 to the extent of 90%. What is i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryIn a solution, 0.03 mol solute forms 0.045 mol effective particles. What are i and the likely behaviour?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11EasyChemistryIf Na2SO4 is 90% dissociated, what is its van’t Hoff factor, i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12EasyChemistryIf a 1:1 electrolyte has i = 1.72, what is its percentage dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11EasyChemistryA substance undergoes 40% tetramerisation. What is its van’t Hoff factor, i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13MediumChemistryFor an AB2 salt, the observed molar mass is 5/9 of the true molar mass. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14MediumChemistryIn which situation is i most likely to be much greater than 1?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryIf 0.04 mol of AB3 undergoes complete dissociation, how many moles of effective particles are produced?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11EasyChemistryAn acid has i = 0.7 and undergoes only dimerisation. What is the percentage dimerisation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryIf Al2(SO4)3 is 40% dissociated, what is its van’t Hoff factor, i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 14MediumChemistryAt the same molality, a solution has a freezing-point depression 0.6 times that of a normal solute. What is its observed molar mass relative to the true molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12EasyChemistryIn a solution, MgCl2 is 85% dissociated. What is the value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12EasyChemistryWhich observation most directly supports a higher molar mass caused by association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryA substance X dissociates in water as X → P + Q + R + S to the extent of 20%. What is i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13MediumChemistryIf 70% dimerisation occurs, approximately how many times the true molar mass will be observed?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13MediumChemistryFor an AB4-type salt, i = 3.0 is observed. What is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13Medium