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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 substance has normal molar mass 150 and van’t Hoff factor 1.5. What is its observed molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryWhat is the ideal van’t Hoff factor for NH₄Cl on complete dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7EasyChemistryWhat is the van’t Hoff factor for SrCl₂ on complete dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 7EasyChemistryIn a question on abnormal molar mass, what should usually be decided first?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8EasyChemistryWhy is the van’t Hoff factor usually taken as 1 for sugar dissolved in water?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 6EasyChemistryIf A₃B undergoes complete dissociation, what is the ideal van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8EasyChemistryIf an A₂B-type solute is 60% dissociated, what is the van’t Hoff factor?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10MediumChemistryIn which solution can i be less than 1?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryIn which solution is i most likely to be greater than 1?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryWhich example can show abnormal molecular mass due to association?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12MediumChemistryWhich relation is correct for elevation in boiling point in an abnormal solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 12MediumChemistryWhich factor is included in colligative-property formulas for an abnormal solution?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 11EasyChemistryWhat effect does association have on depression in freezing point?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 11MediumChemistryWhat effect will dissociation have on osmotic pressure?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 11MediumChemistryWhy are colligative properties important for studying abnormal molecular mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryIf observed molecular mass is greater than normal, which statement is correct?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryIf observed molecular mass is 25% lower than normal, how will i behave?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryWhy can molecular mass calculated from colligative properties become abnormal?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10EasyChemistryWhy can KCl in water show an observed molecular mass lower than normal?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11MediumChemistryWhy can benzoic acid in benzene show a molecular mass greater than normal?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium