ElectrochemistryElectrochemical Series and Metal Reactivity3326Choose the best answerCoinage metals such as Cu, Ag and Au are relatively unreactive because they generally have:AStrongly negative reduction potentialsBStrongly positive oxidation potentialsCPositive reduction potentialsDZero reduction potentials Like 0 Discuss 0Share1
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Alcohols and Phenols#Phenols3327Choose the best answerHydroquinone is a phenol; it contains two –OH groups at:APosition 1 and 2BPosition 1 and 3CPosition 1 and 4DPosition 2 and 3 Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Liquids#Reduced-Pressure Distillation3328Choose the best answerDistillation under very reduced pressure is _____ distillation (KMU MDCAT 2024)ADestructiveBFractionalCSteamDVacuum Like 2 Discuss 0Share
UHS MDCAT 2024 Chemistry#Alkaline Earth Metals#S- and P-Block Elements3329Choose the best answerThe solubility of sulphates of alkaline earth metals generally:AIncrease down the groupBDecrease down the groupCIncrease then decrease down the groupDDoesn't change down the group Like 0 Discuss 0Share
Periodic TableIonization Energy Exceptions3330Choose the best answerBoron has a lower first ionization energy than beryllium because:AA 2p-electron is removed more easily than an electron from a filled 2s-subshell.BAn s-electron is always removed more easily than a p-electron.CIonization energy always decreases with atomic number.DBoron has a completely filled p-subshell. Like 0 Discuss 0Share