Chemical EquilibriumLe Chatelier’s Principle681Choose the best answerThe principle stating that an equilibrium shifts to oppose an imposed change is:AFirst law of thermodynamicsBLe Chatelier’s principleCHess’s lawDFaraday’s law Like 0 Discuss 0Share
Chemical KineticsForward and Reverse Activation Energies682Choose 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 Elimination683Choose the best answer2-Bromobutane reacts with alcoholic KOH mainly through:ASN₁BSN₂CE1DE2 Like 0 Discuss 0Share
SolidsMetallic Solids684Choose the best answerWhich type of crystal generally conducts both heat and electricity effectively?AIonicBCovalentCMetallicDMolecular Like 0 Discuss 0Share
SolidsElectrical Conductivity of Solids685Choose 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