Chemical equilibrium 01Chemical equilibrium #Equilibrium Constant2616Choose the best answerA reversible reaction is at dynamic equilibrium when:AReactants and products have equal concentrationsBForward and reverse reaction rates become equalCBoth reactions stop completelyDReactants are completely converted into products Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Subshell Orbitals2617Choose the best answerHow many orbitals are present in a d-subshell?AThreeBFiveCSevenDNine Like 0 Discuss 0Share
Alcohols and PhenolsMechanism of Dehydration of Alcohols2618Choose the best answerThe first step in acid-catalysed dehydration of an alcohol is:AFormation of a carbocationBProtonation of the –OH groupCRemoval of a β-hydrogenDAttack by OH⁻ Like 0 Discuss 0Share
Atomic StructureAtomic Nucleus2619Choose the best answerThe fundamental particles present in the nucleus of an atom are:Aα-particles and electronsBProtons and neutronsCNeutrons and electronsDProtons, neutrons and electrons Like 0 Discuss 0Share
Chemical KineticsUnits of Rate Constant and Reaction Order2620Choose the best answerThe rate constant has units s⁻¹. What is the order of the reaction?AZeroBFirstCSecondDFractional Like 0 Discuss 0Share