MDCAT Chemistry Past Paper 2023#Electrochemistry#Oxidation Number36Choose the best answerWhat is the oxidation number of Mn in K₂MnO₄? (MDCAT 2023)A+2B+4C+6D+7 Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Electrochemistry#Electrode Potential37Choose the best answerIn the electrochemical series, what is the electrode potential of all metals above Hydrogen? (MDCAT 2023)AZeroBNegativeCPositiveDGreater than zero Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Atomic Structure#Bohr Model38Choose the best answerThe radius of the first orbit of hydrogen is 0.53 Å. Which orbit has a radius of 4.77 Å? (MDCAT 2023)AFirstBSecondCThirdDFourth Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Alcohols#Alcohols and Phenols39Choose the best answerWhich of the following reactions can be used for the conversion of ethyl alcohol into acetaldehyde? (MDCAT 2023)APolymerizationBDehydrogenationCEsterificationDReduction Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#d-Block Elements#Transition Elements40Choose the best answerWhy do transition elements form interstitial compounds? (MDCAT 2023)APresence of unpaired electronsBTransition of elements within d orbitalsCHoles present in the crystal lattice of transition elementsDSmall, highly charged ions and vacant d-orbitals of suitable energy Like 0 Discuss 0Share