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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।

ChemistryWhich statement is correct for colligative properties and abnormal molecular mass?Class 12Chapter 01: Solutions5: Colligative PropertiesLevel 10Easy ChemistryIn which situation is abnormal molecular mass most likely to be observed?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Easy ChemistryWhy is the observed molecular mass of NaCl in water lower than its normal molecular mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Easy ChemistryThe molecular mass of acetic acid in benzene is found to be higher than normal. What is the main reason?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryIf the normal molecular mass is 122 and i = 2, what is the observed molecular mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Easy ChemistryWhich relation correctly represents the van't Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Medium ChemistryIf i > 1, what is the correct conclusion about the solute?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy ChemistryDue to association, the number of solute particles decreases. How will the observed molecular mass change?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Easy ChemistryIf the number of particles in an electrolyte solution is found to be more than expected, what will happen to its observed molecular mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Easy ChemistryWhat is the safest first check in questions related to abnormal molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Easy ChemistryIf a substance has observed molar mass 200 g mol⁻¹ and normal molar mass 100 g mol⁻¹, which process is possible?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 11Medium ChemistryIn which case will the observed osmotic pressure be less than the normal value?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Easy ChemistryWhich of the following pairs is correct?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Easy ChemistryWhich factor is most useful for explaining abnormal molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 8Easy ChemistryIf i lies between 1 and 3 for an AB2 solute, which conclusion is correct?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryIf an A₂B-type solute completely dissociates into 2A⁺ and B²⁻, what is the van’t Hoff factor, i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy ChemistryIf an AB2-type electrolyte dissociates completely, what will be i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy ChemistryWhat error may occur if i is ignored while calculating molar mass from colligative properties?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryIf the i value of an electrolyte is less than its ideal complete-dissociation value, what does it mean?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 10Medium ChemistryIn which option is i < 1 most likely?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 9Easy