Industrial ChemistryFunctions of Proteins431Choose the best answerWhich protein-function pair is correctly matched?AHemoglobin — Hormone regulationBInsulin — Oxygen transportCAntibodies — DefenseDCasein — Muscle contraction Like 0 Discuss 0Share
Alcohols and PhenolsConversion of Alcohols to Alkyl Bromides432Choose the best answerWhich reagent converts alcohols into alkyl bromides?APBr₃BPCl₃CSOCl₂DNaBr alone Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryClassification of Carbon Atoms433Choose the best answerThe molecule CH₃–C(CH₃)₂–CH₂–CH₃ contains:APrimary, secondary and tertiary carbons onlyBPrimary, secondary and quaternary carbons onlyCPrimary and quaternary carbons onlyDPrimary, tertiary and quaternary carbons only Like 0 Discuss 0Share
Atomic StructureProperties of Isotopes434Choose the best answerWhich statements are NOT true for isotopes of the same element?AThey have the same number of neutronsBThey have the same mass numberCThey have identical physical propertiesDAll of these Like 0 Discuss 0Share
Chemical BondingMolecular Geometry435Choose the best answerWhich pair has the same molecular shape?ASO₃ and PCl₃BCCl₄ and SnCl₂CCO₂ and SO₂DBF₃ and SO₃ Like 0 Discuss 0Share