Please Help 32

Please helpAnswer the following three questions using the reaction scheme that is shown below.7) Provide the missing chemicals in the reaction sequence shown below by filling in the blocks providedwith the reagents needed to complete the reaction. Assume that for Step III only one of theenantiomers produced in Step II is carried on in the synthesis.Step IStep IIStep IIICH3BrStep IV8) In the reaction shown in Step IV, will the rate of the reaction increase or stay the same as theconcentration of the nucleophile increases? How do you know based on the reaction scheme? Explain.9) In the reaction shown in Step II, what is the ratio of the two enantiomers that are formed? Explainwhy it is that this particular ratio is formed. (Hint: the structure of the intermediate could proveuseful).
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