Chemical KineticsForward and Reverse Activation Energies626Choose the best answerFor the exothermic reaction H₂ + Cl₂ → 2HCl, ΔH < 0. If Ef and Er are the forward and reverse activation energies, respectively:AEf > ErBEf < ErCEf = ErDΔH is unrelated to Ef and Er Like 0 Discuss 0Share
Alkyl HalidesE2 Elimination627Choose the best answer2-Bromobutane reacts with alcoholic KOH mainly through:ASN₁BSN₂CE1DE2 Like 0 Discuss 0Share
SolidsMetallic Solids628Choose the best answerWhich type of crystal generally conducts both heat and electricity effectively?AIonicBCovalentCMetallicDMolecular Like 0 Discuss 0Share
SolidsElectrical Conductivity of Solids629Choose the best answerWhich statement about electrical conduction is correct?AIonic solids conduct well in the solid stateBMetals conduct in the solid state, while ionic compounds conduct when moltenCMolecular solids are always excellent conductorsDCovalent-network solids always conduct electricity Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Atomic Theory630Choose the best answerThe early Greek idea of atoms was mainly based on:AQuantitative experimental observationsBSystematic chemical investigationsCPhilosophical reasoningDSpectroscopic evidence Like 0 Discuss 0Share