Which of the following statements is true: the slowest step in a multi-step reac

Question

Which of the following statements is true: the slowest step in a multi-step reaction is the step in which the least stable intermediate forms more stable species are more reactive reactants than less stable species more reactive species are more selective reactants than more stable reactants the activation barrier in kcal/mol for a given reaction changes with temperature Which of the following statements is false For a product solution to be optically active, at least one reactant must be optically active Enantiomers have identical boiling points and melting points A racemic solution contains equal quantities of enantiomers Any solution that contains any chiral molecules in it will be optically active Which of the following statements is false for the bromination of butane in each propagation step a radical is produced the overall reaction is exothermic one initiation event can lead to bromination of more than one butane molecule each step in the mechanism is exothermic, as is true for all mechanisms

Explanation / Answer

5.a

6.b

7.d

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