LiquidsBoiling Point821Choose the best answerWhy does water have a much higher boiling point than hydrogen sulfide (H₂S)?AWater has a higher molar massBH₂S forms stronger covalent bondsCWater is less polarDWater molecules form strong hydrogen bonds Like 2 Discuss 0Share
MDCAT Chemistry Paper 2025#Electrochemistry#Standard Hydrogen Electrode822Choose the best answerWhen SHE is connected with Cu electrode using salt bridge and external wire: (IBA MDCAT 2025)ACu reducesBCu²⁺ reducesCH⁺ reducesDH₂ reduces Like 3 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Electrochemistry#Electrorefining823Choose 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 Acids824Choose 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 Numbers825Choose 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