UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Crystal Lattice#Solids871Choose the best answerIn a unit cell of a crystal lattice the angle β is between faces:Aa and bBb and cCc and aDnot specified Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryCommon Alkyl Groups872Choose the best answerWhich compound contains an isopropyl group, (CH₃)₂CH–?A2,2,3,3-TetramethylpentaneB2,2-DimethylpentaneC2,2,3-TrimethylpentaneD2-Methylpentane Like 0 Discuss 0Share
Periodic TableElectron Affinity873Choose the best answerWhich process represents electron affinity?AX(g) → X⁺(g) + e⁻BX⁺(g) + e⁻ → X(g)CX(g) + e⁻ → X⁻(g)DX⁻(g) → X(g) + e⁻ Like 0 Discuss 0Share
LiquidsIntermolecular Forces and Melting Point874Choose the best answerWater has a higher melting point than petrol mainly because water has:AWeaker intermolecular forcesBStronger intermolecular forcesCNo intermolecular forcesDLower molecular attraction Like 0 Discuss 0Share
ElectrochemistryAnode and Cathode Reactions875Choose the best answerThe cathodic process during electrolysis of dilute H₂SO₄ using Pt electrodes is:AReductionBBoth oxidation and reductionCOxidationDNeither oxidation nor reduction Like 0 Discuss 0Share