Industrial chemistry Industrial chemistry MCQS#Enzymes#Macromolecules636Choose the best answerA holoenzyme consists of:AApoenzyme + cofactorBProtein + substrateCEnzyme + productDApoenzyme + substrate Like 0 Discuss 0Share
ElectrochemistryElectron Flow in Galvanic Cell637Choose the best answerIn a Zn–Cu galvanic cell, electrons flow through the external circuit from:AZn electrode to Cu electrodeBCu electrode to Zn electrodeCSalt bridge to Zn electrodeDCu²⁺ solution to Zn²⁺ solution Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryCommon and IUPAC Names of Carboxylic Acids638Choose the best answerWhich pair is correctly matched?AOxalic acid — Ethanedioic acidBMalonic acid — Butanedioic acidCSuccinic acid — Pentanedioic acidDGlutaric acid — Hexanedioic acid Like 0 Discuss 0Share
Alkyl HalidesNucleophilic Character of Grignard Reagents639Choose the best answerGrignard reagents behave primarily as:AElectrophilesBNucleophilesCOxidizing agentsDAcids Like 0 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Electrochemistry#Electrode Potential640Choose the best answerIn electrochemical series, elements are arranged in order of their standard electrode potentials, the correct decreasing reactivity order for metals is: (Sindh MDCAT 2018)AGold, silver, magnesium, aluminumBMercury, calcium, sodium, magnesiumCSodium, aluminum, lead, copperDPotassium, silver, magnesium, aluminum Like 0 Discuss 0Share