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4.a) What are the major product(s) formed in each of the following reactions b) Draw the mechanism for each reaction unless otherwise indicated c) Draw all stereoisomers that may form and label chiral carbons as (R) or (S) d) If stereoisomers are formed determine if they are enantiomers, diastereomers, a meso compound or an achiral molecule. (30 Marks,) b) HBr/H22 2-methy-2-butene dilute H2SO4 Br2l H20 NaOH 1) OsO4 2)NaHSO no mechanism g) needed NO2 H2/ Pt no mechanism needed h) H2Cr207 2) H3o no mechanism needed k) 2) CH3Br 2) H30 3) extract product and dissolve in acetoneI need mechanism and R or S and plz don't forget to determine the seteroisomers

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