Stoichiometry#Atomic Structure#Isotopes416Choose 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 Reactions417Choose 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 Polarity418Choose the best answerWhich molecule has a net dipole moment?ACO₂BSO₂CCS₂DCCl₄ Like 0 Discuss 0Share
Chemistry of HydrocarbonsPreparation of Alkanes by Reduction of Alkyl Halides419Choose the best answerReduction of an alkyl halide using zinc under suitable reducing conditions produces:AAlkeneBAlkaneCAlkyneDAlcohol Like 0 Discuss 0Share
GasesCharles's Law420Choose the best answerMethane occupies 16 dm³ at 200 K. What is the increase in volume when it is heated to 400 K at constant pressure?A32 dm³B16 dm³C48 dm³D64 dm³ Like 0 Discuss 0Share