Atomic StructureBohr's Atomic Model and Its Limitations446Choose the best answerWhich statement is NOT a part of Bohr's model?AElectron energies are quantizedBThe innermost orbit has the lowest energyCElectrons move in allowed stationary orbitsDExact position and momentum cannot be known simultaneously Like 0 Discuss 0Share
StoichiometryMolar Mass from Gas Volume447Choose the best answerAt STP (273 K and 1 atm), 5.6 L of a gas has a mass of 8 g. Its molar mass is:A32 g mol⁻¹B16 g mol⁻¹C8 g mol⁻¹D4 g mol⁻¹ Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Relative Atomic Mass448Choose the best answerAn atom has a relative atomic mass of 24. What does this mean?A12 times heavier than 1 uB24 times heavier than 1 uC24 g in massD1/24 of carbon-12 Like 0 Discuss 0Share
Fundamental Concepts of ChemistryPhysical Changes449Choose the best answerSolid → Gas directly, without passing through the liquid state, is called:AMeltingBBoilingCSublimationDDeposition Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryNomenclature of Hydroxy Carboxylic Acids450Choose the best answerThe IUPAC name of tartaric acid is:A2,3-Dihydroxybutanedioic acidB2-Hydroxybutanedioic acidCButanedioic acidD2,3-Dihydroxypentanedioic acid Like 0 Discuss 0Share