Chemical KineticsStoichiometric Relationship of Reaction Rates531Choose the best answerFor the reaction 2A + B → A₂B, the rate of disappearance of A is:AHalf the rate of disappearance of BBEqual to the rate of disappearance of BCTwice the rate of disappearance of BDEqual to the rate of formation of A₂B Like 0 Discuss 0Share
Chemistry of HydrocarbonsKolbe's Electrolysis of Dicarboxylate Salts532Choose the best answerKolbe's electrolysis of an unsaturated dicarboxylate salt can mainly give:AAlkaneBAlkeneCAlkyneDAlcohol Like 0 Discuss 0Share
Atomic StructureRutherford's Atomic Model533Choose the best answerExperimental evidence for the existence of the atomic nucleus was obtained from:AMillikan's oil-drop experimentBAtomic emission spectroscopyCMagnetic deflection of cathode raysDScattering of α-particles by a thin metal foil Like 0 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Fundamental Principles of Organic Chemistry#Wöhler's Synthesis534Choose the best answerUrea was first synthesized by Wohler from an inorganic material named:AAmmonium bicarbonateBAmmonium nitrateCAmmonium oxalateDAmmonium cyanate Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Atomic Structure#Electronic Configuration535Choose the best answerWhich of the following is correct electronic configuration of iron (II) ion (atomic no. of Fe is =26)? (UHS MDCAT 2023)A[Ar] 4s⁰, 3d⁶B[Ar] 4s², 3d⁶C[Ar] 4s², 3d⁴D[Ar] 4s², 3d⁵ Like 2 Discuss 0Share1