StoichiometryMole Concept and Mass Comparison2766Choose the best answerConsider: I. 2.5 mol CH₄ II. 22.4 dm³ O₂ at STP III. 6.02 × 10²² C atoms IV. 3.5 mol He What is the increasing order of their masses?AI < II < III < IVBIV < III < II < ICIII < IV < II < IDII < I < III < IV Like 1 Discuss 0Share
Atomic StructureQuantum Numbers2767Choose the best answerFor an electron with n = 4 and mℓ = +2, which statement is NOT possible?Amₛ may be +½Bℓ may be 2Cℓ may be 3Dℓ may be 0 or 1 Like 0 Discuss 0Share
Carboxylic AcidsHydrolysis of Nitriles2768Choose the best answerWhich compound gives propanoic acid on hydrolysis?ACH₃CH₂CNBCH₃CHOCCH₃CH₂OHDCH₃COCH₃ Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryOptical Isomerism of Tartaric Acid2769Choose the best answerWhich compound can exist in an optically active form?AEthylene glycolBOxalic acidCGlycerolDTartaric acid Like 0 Discuss 0Share
StoichiometryMass of a Single Molecule2770Choose the best answerThe mass of one H₂O molecule is approximately:A3 × 10⁻²⁶ kgB3 × 10⁻²⁰ kgC6 × 10⁻²⁰ kgD1.5 × 10⁻²⁶ kg Like 3 Discuss 0Share