Fundamental Concepts of ChemistryMolecules and Molecular Mass721Choose the best answerWhich statement is incorrect?AH₂O is a heteroatomic moleculeBMolecular mass of H₂O₂ is 18 uCO₂ is a homodiatomic moleculeDA and C are correct Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Carboxylic Acids#Nitrile Hydrolysis722Choose the best answerAcetic acid can be prepared by the hydrolysis of (KMU MDCAT 2024)AEthanalBEthanolCMethanoic acidDMethyl cyanide Like 1 Discuss 0Share
Fundamental Principles of Organic ChemistryStability of Carbocations723Choose the best answerThe correct order of stability of simple alkyl carbocations is:ACH₃⁺ > 1° > 2° > 3°B3° > 2° > 1° > CH₃⁺C2° > 3° > 1° > CH₃⁺D1° > CH₃⁺ > 2° > 3° Like 0 Discuss 0Share
Periodic TableIsoelectronic Species and Ionic Radius724Choose the best answerBr⁻, Rb⁺ and Sr²⁺ are isoelectronic. Their radii decrease in the order:ASr²⁺ > Rb⁺ > Br⁻BBr⁻ > Rb⁺ > Sr²⁺CRb⁺ > Br⁻ > Sr²⁺DBr⁻ > Sr²⁺ > Rb⁺ Like 0 Discuss 0Share
Alcohols and PhenolsGrignard Reaction with Formate Esters725Choose the best answerReaction of a formate ester with excess Grignard reagent followed by hydrolysis produces:APrimary alcoholBSecondary alcoholCTertiary alcoholDAldehyde Like 0 Discuss 0Share