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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।

ChemistryIn which case will the observed depression in freezing point be greater than the normal value?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryIf a solute forms dimers, what happens to the number of particles in solution?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryWhy is the observed molecular mass of acetic acid in benzene greater than normal?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryIf K₂SO₄ undergoes complete dissociation, what is the ideal value of the van’t Hoff factor i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryIf CaCl2 dissociates completely, what is the ideal i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryIf NaCl dissociates completely in water, what is the ideal value of i?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryWhat is the correct meaning of van’t Hoff factor for colligative properties?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryWhich is the correct relation between normal molecular mass and observed molecular mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryIf van’t Hoff factor i < 1, what does it indicate?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryIf van’t Hoff factor i > 1, which situation is generally present?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryVan’t Hoff factor i is used for which correction?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryWhen solute particles associate to form larger groups, how is the observed molecular mass affected?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryWhat happens to the observed molecular mass when solute particles dissociate into more particles in solution?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryWhen is abnormal molecular mass usually observed?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryIf a substance repeatedly gives a higher molar mass by the cryoscopic method, which test idea is useful?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Medium ChemistryA solute has true molar mass 120 g mol−1 and i = 1.5. What is the apparent molar mass?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 12Easy ChemistryThree grams of a solute dissolved in 100 g of solvent produces a freezing-point depression of 0.3 K. What depression will be produced by 6 g of the same solute in 100 g of the same solvent?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 19Medium ChemistryA solution has a van’t Hoff factor i = 1.8. If the solute can dissociate into two ions, what is the nature of its dissociation?Class 12Chapter 01: Solutions7: Abnormal Molecular MassLevel 18Hard ChemistryIf the molar mass calculated from boiling-point elevation is lower than the true molar mass, which correction is most appropriate when dissociation is responsible?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18Hard ChemistryA solution has a van’t Hoff factor i = 0.5. What type of particle behaviour does this most clearly indicate?Class 12Chapter 01: Solutions6: Molar Mass DeterminationLevel 18Medium