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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।

ChemistryIn which case will the observed molar mass be less than the normal molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy ChemistryIf normal molar mass is 90 g mol−1 and i = 0.75, what is the observed molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Medium ChemistryIf normal molar mass is 120 g mol−1 and i = 1.5, what is the observed molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Medium ChemistryWhen the observed molar mass of an acid in benzene is nearly double, what may be the reason?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryIf a solute has i = 2.5, which statement is correct?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy ChemistryWhich relation is correct for freezing-point depression in an abnormal solution?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Medium ChemistryWhich relation is correct for abnormal behavior in osmotic pressure?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Medium ChemistryIf a substance partially forms dimers, in which range will i lie?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryIf KCl is partially dissociated, in which range will the van’t Hoff factor, i, lie?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryAbnormal molar mass is most closely related to which type of properties?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8Easy ChemistryWhy is the van’t Hoff factor used in colligative properties?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy ChemistryIf two molecules combine to form one dimer and association is complete, what is i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy ChemistryFor complete dissociation of AlCl₃, what is the ideal value of the van’t Hoff factor, i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy ChemistryFor complete dissociation of CaCl₂, what is the ideal value of the van’t Hoff factor, i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy ChemistryIf normal molar mass is 60 g mol−1 and observed molar mass is 30 g mol−1, what is i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryWhy do substances like benzoic acid often show abnormal molar mass in benzene?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryIn which situation is the van’t Hoff factor, i, equal to 1?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8Easy ChemistryIf a solute breaks into ions in solution, what will be the observed molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy ChemistryIf solute particles combine in solution to form larger particles, what happens to the observed molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy ChemistryWhat is the main cause of abnormal molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8Easy