ElectrochemistryOxidation and Reduction Potentials101Choose the best answerAn electrode has a positive standard oxidation potential when its corresponding standard reduction potential is:ANegativeBPositiveCZero onlyDAlways +1.00 V Like 0 Discuss 0Share
Atomic StructureDegenerate Orbitals102Choose the best answerIn the absence of an external field, the energy of an electron in a 2pᵧ orbital is:AGreater than in 2pₓBLess than in 2pₓCEqual to that in 2sDEqual to that in 2pz Like 0 Discuss 0Share
StoichiometryMass of an Element in a Compound103Choose the best answerHow many moles of NO₂ contain 16 g oxygen?A0.25 molB1.00 molC0.50 molD1.50 mol Like 0 Discuss 0Share
Chemistry of HydrocarbonsFree-Radical Halogenation of Alkanes104Choose the best answerFree-radical substitution of an alkane with chlorine is initiated by:AHeat or UV lightBDilute HClCConcentrated H₂SO₄DKMnO₄ Like 2 Discuss 0Share
Atomic StructureIsotopes105Choose the best answerIsotopes are atoms having the same:AAtomic massBMass numberCAtomic numberDNumber of neutrons Like 0 Discuss 1Share