Please answer all questions

Q5: Provide a synthesis for the following: a. 2-bromobutane starting from acetylene. OMe Br b. starting from Benzene NOZ Q6: Consider the following reaction: (CH3) 3CBr + H2O (CH3) 3COH + HBr a: What will happen to the rate of the reaction if [(CH3) 3CBr] is doubled b: What will happen to the rate of the reaction if [H20] is doubled c: What will happen to the rate of the reaction if both [(CH3)3CBr] and [H20] are doubled 07: Draw the product and the mechanism of the following reaction. Show your answer in lowest energy (highest stable) chair conformation. CH,S 08:Show the mechanism and the product for the following reaction HBr 09:Triflouromethylbenzene is meta directing, explain using resonance structure in your answer. Q10: Assign E or z for the following. Br OH -H