Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Ground State of Hydrogen561Choose the best answerAt room temperature, an electron in a hydrogen atom normally occupies:AAn excited stateBThe ground stateCThe second excited stateDAn unbound state Like 2 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc562Choose the best answerWhat does the value of Kc mainly tell us about an equilibrium reaction?ARate and activation energy of the reactionBDirection and extent of the reaction at equilibriumCTime required to reach equilibriumDEffect of a catalyst on equilibrium position Like 0 Discuss 0Share
Atomic StructureElectronic Configuration and Shell Distribution563Choose the best answerSodium and potassium have the same number of electrons in the:AL-shellBOutermost shell numberCM-shellDValence shell principal quantum number Like 0 Discuss 0Share
Aldehydes and KetonesPreparation of Carbonyl Compounds by Ozonolysis564Choose the best answerOzonolysis of which alkene followed by Zn/H₂O produces only propanone?APropeneB2-MethylpropeneCBut-2-eneD2,3-Dimethylbut-2-ene Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Reversible Binding565Choose the best answerWhy is the reversible binding of oxygen by hemoglobin important?APermanently bind oxygenBTake up and release oxygen under different conditionsCConvert oxygen into carbon dioxideDStop oxygen transport at equilibrium Like 0 Discuss 0Share