MDCAT Chemistry Paper 2025#Chemical Kinetics#Instantaneous Rate1356Choose the best answerAt start of reaction: (IBA MDCAT 2025)AAverage rate is highBInstantaneous rate is highCBoth rates are sameDBoth rates are slow Like 3 Discuss 0Share
Atomic StructureElectronic Configuration and Shell Distribution1357Choose the best answerSodium and potassium have the same number of electrons in the:AL-shellBOutermost shell numberCM-shellDValence shell principal quantum number Like 0 Discuss 0Share
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Branched Alkanes1358Choose the best answerCount the total number of carbon atoms in 3-ethyl-2,2-dimethylpentane.A9B8C7D10 Like 1 Discuss 0Share
Industrial ChemistryPermanent Hair Dyes1359Choose the best answerIn permanent oxidative hair dyes, the developer is usually:ASodium chlorideBHydrogen peroxideCEthylene glycolDFormaldehyde Like 0 Discuss 0Share
StoichiometryLimiting Reagent1360Choose the best answer100 g NH₄Cl and 100 g Ca(OH)₂ are heated: 2NH₄Cl + Ca(OH)₂ → CaCl₂ + 2NH₃ + 2H₂O Which is the limiting reagent?ANH₄ClBCa(OH)₂CNH₃DH₂O Like 0 Discuss 0Share