Stoichiometry Stoichiometry MCQS#Atomic Structure#Isotopes531Choose the best answerWhich property remains the same in all isotopes of an element?ANumber of protonsBNumber of neutronsCMass numberDAtomic mass Like 0 Discuss 0Share
StoichiometryMole–Volume Stoichiometry532Choose the best answerHow many moles of Mg are required to produce 11.2 dm³ H₂ at STP (273 K and 1 atm)? Mg + 2HCl → MgCl₂ + H₂A1 molB2 molC0.5 molD0.25 mol Like 0 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Chemical Kinetics#Rate Constant533Choose the best answerThe unit of rate constant for the first order reaction is:Aconc. s⁻¹BM² s⁻¹Cs⁻¹DM⁻¹ s⁻¹ Like 0 Discuss 0Share
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Organic Nomenclature534Choose the best answerWhich IUPAC name belongs to adipic acid?AButanedioic acidBPentanedioic acidCHeptanedioic acidDHexanedioic acid Like 0 Discuss 0Share
StoichiometryMolar Volume at STP535Choose the best answerWhat volume at STP is occupied by 3.01 × 10²⁴ molecules of an ideal gas?A112 dm³B1.12 dm³C224 dm³D56 dm³ Like 0 Discuss 0Share