MDCAT Chemistry Past Papers Reconduct 2023#Electrochemistry#Electrorefining846Choose the best answerHow would you describe the purity of copper obtained through electric refining? (MDCAT Reconduct 2023)A60% pureB100% pureC50% pureD80% pure Like 0 Discuss 0Share
Carboxylic AcidsIUPAC Nomenclature of Carboxylic Acids847Choose the best answerThe carbon atom of the –COOH group is always designated as:ACarbon-0BCarbon-1CThe last carbon of the chainDα-Carbon Like 0 Discuss 0Share
Atomic StructureQuantum Numbers848Choose the best answerWhich set of quantum numbers is NOT allowed?An = 1, ℓ = 0, mℓ = 0, mₛ = +½Bn = 1, ℓ = 1, mℓ = 0, mₛ = −½Cn = 2, ℓ = 1, mℓ = +1, mₛ = +½Dn = 2, ℓ = 1, mℓ = 0, mₛ = −½ Like 0 Discuss 0Share
GasesCritical Temperature and Liquefaction849Choose the best answerArgon has a critical temperature of 157 K. Which temperature is below its critical temperature?A160 KB170 KC200 KD155 K Like 0 Discuss 0Share
Chemical KineticsInstantaneous and Average Rate850Choose the best answerWhich statement is false?AFor a typical reaction whose rate decreases with time, the initial instantaneous rate is high.BThe activated complex has a very short lifetime.CA tangent to a concentration–time curve gives the average rate.DOnly a fraction of molecular collisions are effective. Like 0 Discuss 0Share