Aldehydes and KetonesPreparation of Ketones by Oxidation of Alcohols611Choose the best answerOxidation of 3-methylbutan-2-ol produces:A3-MethylbutanalB3-Methylbutan-2-oneC2-MethylbutanalD3-Methylbutanoic acid Like 0 Discuss 0Share
Atomic StructureShells, Subshells and Orbitals612Choose the best answerHow many orbitals are present in the shell with n = 3?A1B3C4D9 Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Benzene & Aromatic Compounds#Electrophilic Substitution613Choose the best answerWhich of the following gives electrophilic substitution reaction:ABenzeneBFormaldehydeCEthanolDEthyne Like 0 Discuss 0Share
Periodic TableReactivity of Metals614Choose the best answerWhich metal is most reactive among the following?ALiBCaCMgDNa Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Mass Unit615Choose the best answerIf an atom has a mass of 4 u, what does this mean?AIts mass is 4 g.BIt has 4 neutrons.CIts mass is four times the mass of 1 amu.DIt must be hydrogen. Like 0 Discuss 0Share