Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Energy386Choose the best answerCalculate the energy of an electron in the L-shell of hydrogen.A−2.18 × 10⁻¹⁸ JB−5.45 × 10⁻¹⁹ JC−1.09 × 10⁻¹⁸ JD−3.28 × 10⁻¹⁹ J Like 0 Discuss 0Share1
Stoichiometry#Atomic Structure#Isotopes387Choose the best answerWhich pair contains the same number of naturally occurring isotopes?ANickel and palladiumBCadmium and calciumCHydrogen and oxygenDTin and cadmium Like 0 Discuss 0Share
ElectrochemistryFeasibility of Redox Reactions388Choose the best answerWhich reaction is thermodynamically feasible under standard conditions?AZn²⁺ + Cu → Cu²⁺ + ZnBFe + CuSO₄ → FeSO₄ + CuCZn + MgSO₄ → ZnSO₄ + MgDCd + MgSO₄ → CdSO₄ + Mg Like 0 Discuss 0Share
Chemical BondingDipole Moment and Molecular Polarity389Choose the best answerWhich molecule has a net dipole moment?ACO₂BSO₂CCS₂DCCl₄ Like 0 Discuss 0Share
Chemistry of HydrocarbonsPreparation of Alkanes by Reduction of Alkyl Halides390Choose the best answerReduction of an alkyl halide using zinc under suitable reducing conditions produces:AAlkeneBAlkaneCAlkyneDAlcohol Like 0 Discuss 0Share