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Reaction mechanism: Quiz


Question 1: Although only the net chemical change is directly observable for most ________, experiments can often be designed that suggest the possible sequence of steps in a reaction mechanism.
Chemical reactionNitrogenChemistryHydrogen

Question 2: In this case, it has been experimentally determined that this reaction takes place according to the ________ R = k[NO2]2.
Rate equationCatalysisChemical kineticsElementary reaction

Question 3: A complete mechanism must also account for all reactants used, the function of a ________, stereochemistry, all products formed and the amount of each.

Question 4: It describes each ________, which bonds are broken (and in what order), which bonds are formed (and in what order) and what the relative rates of the steps are.
CatalysisTransition stateDensity functional theoryChemical reaction

Question 5: Molecularity in ________ is the number of colliding molecular entities that are involved in a single reaction step.
Periodic tableInorganic chemistryChemistryElectrochemistry

Question 6: In ________, one of the first reaction mechanisms proposed was that for the benzoin condensation, put forward in 1903 by A. J. Lapworth.
Organic chemistryBiochemistryInorganic chemistryPolymer chemistry

Question 7: In chemistry, a reaction mechanism is the step by step sequence of elementary reactions by which overall ________ change occurs.
CarbonChemical substanceHydrogenOxygen

Question 8: All of the elementary steps must add up to the original reaction, by means of ________ (e.g.: rearrangement reactions).
Organoselenium chemistryOrganocopper compoundOrganoboron chemistryOrganic reaction

Question 9: Each step is called an elementary step, and each has its own ________ and molecularity.
CatalysisRate equationElementary reactionChemical kinetics


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