SINDH MDCAT 2019 CHEMISTRY#Electrochemistry#Oxidation Number431Choose the best answerThe oxidation number of Br in Br₂ is: (Sindh MDCAT 2019)A-1B-2C0D+1 Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Activation Energy#Chemical Kinetics432Choose the best answerWhich statement is correct for the energy-profile graph shown?AThe activation energy of the forward reaction is E₁ + E₂ and the product is more stable than the reactant.BThe activation energy of both forward and backward reactions is E₁ + E₂ and the reactant is more stable than the product.CThe activation energy of the backward reaction is E₁ and the product is more stable than the reactant.DThe activation energy of the forward reaction is E₁ + E₂ and the product is less stable than the reactant. Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms433Choose the best answerOne mole of CH₄ contains:A1 mol carbon atomsB4 mol hydrogen atomsC5 mol atoms in totalDA, B and C Like 0 Discuss 0Share
Alkyl HalidesGrignard Reaction with Esters434Choose the best answerAn acetate ester, CH₃COOR′, reacts with excess Grignard reagent followed by acidic hydrolysis to produce:APrimary alcoholBSecondary alcoholCTertiary alcoholDAldehyde Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Macromolecules#Polymers435Choose the best answerQ.93 Bakelite is polymer of:ATwo glucose moleculesBFormaldehyde & acetoneCTwo amino acid moleculesDFormaldehyde & phenol Like 0 Discuss 0Share