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Class 12 Mcq

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

ChemistryA student finds that i is less than 1. What should the student write about observed molecular mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9EasyChemistryIn abnormal molecular mass questions, what is the easiest way to understand i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8EasyChemistryIf an AB₂-type salt undergoes complete dissociation, what is the ideal value of the van’t Hoff factor, i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9EasyChemistryIf a solute forms dimers and its van’t Hoff factor, i, lies between 0.5 and 1, what is the conclusion?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryIf the van’t Hoff factor, i, for a substance that can produce two ions lies between 1 and 2, what does this indicate?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryWhich example can show abnormal molecular mass due to association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9EasyChemistryWhich example can show abnormal molecular mass due to dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9EasyChemistryWhen observed molecular mass is greater than normal, how is the observed colligative property?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8EasyChemistryIf K₃PO₄ undergoes complete dissociation, what is the ideal value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryIf FeCl₃ undergoes complete dissociation, what is the ideal value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryIf i = 1.6 for NaCl, what is the degree of dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryIf an AB-type salt is 25% dissociated, what is the value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12EasyChemistryFor an AB-type salt, what is the simple relation between the van’t Hoff factor i and the degree of dissociation α?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 13MediumChemistryOn complete dissociation, how many total ions are obtained from Al₂(SO₄)₃?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11EasyChemistryHow many particles are formed from NaCl on complete dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryIf the normal molar mass is 60 and the observed molar mass is 90, what is the value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12EasyChemistryWhich of the following pairs shows the correct matching?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryFor dissociation into two ions, if α = 0, what is i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 15EasyChemistryWhat does the degree of dissociation, α, mean?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12EasyChemistryIf a solute completely dissociates into three ions, what fraction of the actual molar mass is the observed molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 15Medium