UHS MDCAT 2024 Chemistry#Chemical Kinetics#Rate Law26Choose the best answerFor the elementary reaction: aA + bB → cC + dD the rate equation is:ARate = k[A][B]BRate = k[A]ᵃ[B]ᵇCRate = k[A]ᵃDRate = k[B]² Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Alkali Metals#S- and P-Block Elements27Choose the best answerThe difference of lithium from the other alkali metals is mainly because of:ALarge radius and low charge densityBSmall radius and low charge densityCLarge radius and high charge densityDSmall radius and high charge density Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Isotopes#Isotopic Abundance28Choose the best answerThe atomic masses of element depend upon:AAtomic numberBNumber of electronsCNumber of isotopes & their abundanceDNone of the above Like 1 Discuss 0Share
UHS MDCAT 2024 Chemistry#Catalytic Properties#Transition Elements29Choose the best answerIn Friedel Craft acylation an acyl group is introduced in benzene ring in the presence of catalyst:AAlCl₃BH₂SO₄CSunlightDV₂O₅ Like 1 Discuss 0Share
UHS MDCAT 2024 Chemistry#Atomic Structure#Electronic Configuration30Choose the best answerWhich of the following electronic configuration is correct for carbon?A1s² 2s² 2p³B1s² 2s² 2p⁴C1s² 2s² 2p²D1s² 2s² 2p¹ Like 0 Discuss 0Share