UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Alcohols and Phenols#Phenols1296Choose the best answerIf phenol is treated with 3 moles of conc. HNO₃ in the presence of H₂SO₄ what will be the product? (UHS MDCAT 2023)Ao-nitro phenolBp-nitro phenolCo-nitro phenol and p-nitro phenolDpicric acid Like 0 Discuss 0Share
Chemical EquilibriumCommon-Ion Effect1297Choose the best answerWhich pair is a standard example of the common-ion effect suppressing the ionization of a weak base?ABaCl₂ + Ba(NO₃)₂BNaCl + HClCNH₄OH + NH₄ClDAgNO₃ + KNO₃ Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Electrochemistry#Standard Hydrogen Electrode1298Choose the best answerIn a standard hydrogen electrode, the platinum electrode: (SZABMU MDCAT 2025)AReacts with hydrogenBProvide a surface for oxidation and reductionCActs as a salt bridgeDProvide voltage to the circuit Like 0 Discuss 0Share
LiquidsLondon Dispersion Forces1299Choose the best answerThe boiling points of noble gases increase down the group mainly because:AHydrogen bonding becomes strongerBIonic character increasesCLondon dispersion forces increaseDPermanent dipoles develop Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and Polarity1300Choose the best answerWhich molecule is non-polar although it contains polar bonds?AHClBH₂OCSO₃DSO₂ Like 0 Discuss 0Share