BUMHS MDCAT 2025 Chemistry#Chemical Equilibrium#Common Ion Effect2511Choose the best answerWhen hydrochloric acid is added to brine, solubility of sodium chloride __(BUMHS MDCAT 2025)ADecreasesBIncreasesCRemains sameDBecome equal to HCl Like 0 Discuss 0Share
Chemistry of HydrocarbonsHalogenation of Benzene2512Choose the best answerIn the simplified electrophilic-substitution model, the attacking electrophile in chlorination is represented as:ACl⁺BCl⁻CCl₂⁻DHCl Like 1 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Atomic Structure#Quantum Numbers2513Choose the best answer"In an orbital of an atom, no two electrons can have the same set of four quantum numbers, at least one quantum number must be different." This statement is:AAufbau principleBPauli's exclusion principleCHund's ruleDWissewser rule Like 0 Discuss 0Share
Alcohols and PhenolsPreparation of Phenol from Benzenesulphonate2514Choose the best answerSodium benzenesulphonate on fusion with NaOH followed by acidification gives:APhenolBBenzoic acidCBenzeneDBenzaldehyde Like 0 Discuss 0Share
StoichiometryMole#Mole Concept2515Choose the best answerWhat is the formula mass of an ionic compound called when expressed in grams?AGram atomic massBMolecular massCRelative atomic massDGram formula mass Like 0 Discuss 0Share