Ph Ph-p+-Ph Η H compound A

1) Complete the following reaction and provide a detailed, step-by-step mechanism for the process. HBr 2) Provide the structure of the major organic product in the reactions below. HI CH3 win H3C. CH3 CH₂CH3 HCI Xero H₂C CH3 HBr

True/False question and multiple choice. explanatiom not needed. just give the answer. thank you.    a) Williamson synthesis of ether requires un hindered alkyl halide and hindered alcohol b) NaBH4 can reduce a carboxylic acid to primary alcohol c) Conjugated diene reacts with which among the following to form a cyclohexene?1) Phenol2) Dienophile3) Hexane4) Tribromo phenol d) 1,3 -cyclohexadiene is 1. aromatic 2. has higher heat of hydrogenation than cyclohexene 3. is a good dienopile 4. has lower heat of hydrogenation than cyclohexene

Give the major organic product of the following reaction for a) or b)