UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Empirical and Molecular Formula#Stoichiometry1431Choose the best answerA phosphorus oxide contains 43.6% oxygen by mass. What is its empirical formula?AP₂O₅BP₂O₃CP₃O₂DPO₂ Like 2 Discuss 0Share1
StoichiometryLimiting Reagent1432Choose the best answerIn the reaction: 4NH₃ + 5O₂ → 4NO + 6H₂O 1 mol NH₃ is mixed with 1 mol O₂. Which statement is correct?AExactly 1 mol H₂O is producedBAll O₂ is consumedC1.5 mol NO is formedDAll NH₃ is consumed Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Alkyl Halides#E1 Reaction1433Choose the best answerThe rate of E1 reaction depends upon: (Sindh MDCAT 2019)AThe concentration of substrateBThe concentration of nucleophileCThe concentration of nucleophile and substrateDThe amount of the solvent used Like 0 Discuss 0Share
Industrial chemistry Industrial chemistry MCQS#Macromolecules#Polymers1434Choose the best answerA polymer formed from only one type of monomer is called:ACopolymerBTerpolymerCHomopolymerDCross-linked polymer Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryCommon and IUPAC Names of Hydrocarbons1435Choose the best answerThe IUPAC name of isoprene is:APenta-1,3-dieneB2-Methylbuta-1,3-dieneC3-Methylbuta-1,3-dieneDPenta-1,4-diene Like 0 Discuss 0Share