Periodic TableElectron Affinity1291Choose the best answerElectron affinity is the energy change associated with:AAddition of an electron to an isolated gaseous atomBRemoval of an electron from an atomCBreaking a covalent bondDRemoving a proton from a nucleus Like 0 Discuss 0Share
Chemical BondingElectron-Pair Repulsions1292Choose the best answerWhich molecule has two lone pairs on the central atom and therefore shows LP–LP, LP–BP and BP–BP repulsions?ACH₄BBF₃CNH₃DH₂O Like 0 Discuss 0Share
Periodic TableIonization Energy Trend1293Choose the best answerAcross a period, first ionization energy generally:AIncreases from left to rightBDecreases from left to rightCRemains constantDBecomes zero Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Chemical Equilibrium#Common Ion Effect1294Choose 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
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Common and IUPAC Names1295Choose the best answerWhat is the common name of the compound shown?AStyreneBTolueneCEthylbenzeneDCumene Like 0 Discuss 1Share