UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Empirical and Molecular Formula#Stoichiometry21Choose the best answerA phosphorus oxide contains 43.6% oxygen by mass. What is its empirical formula?AP₂O₅BP₂O₃CP₃O₂DPO₂ Like 2 Discuss 0Share1
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Alkyl Halides#Elimination Reactions22Choose the best answerWhat is the major product when 2-bromopropane reacts with sodium ethoxide?APropaneBPropeneCEthyl isopropyl etherDAll are formed Like 2 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Alkynes#Chemistry of Hydrocarbons23Choose the best answerWhich reagent can distinguish 1-pentyne from 2-pentyne?AAgNO₃ + NH₄OHB1% alkaline dilute KMnO₄CBr₂/CCl₄DK₂Cr₂O₇ + H₂SO₄ Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Bond Energy#Chemical Bonding24Choose the best answerEnergy changes in chemical reactions are mainly due to:ABond formationBBond breakageCBond formation and breakageDIonic bonds Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Atomic Structure#Electronic Configuration25Choose the best answerAfter the 6d subshell is filled, which subshell is filled next?A7fB7dC7pD7s Like 0 Discuss 0Share