a. What is the best Lewis structure for ethyl alcohol? b. What are the geometry and hyb Which of the following alcohols will give a pure secondary alkyl halide on treatment with HBr? (a) CH_3CH_2OH (b) (CH_3)_2CHCH(OH)CH(CH_3)_2 (c) (CH_3)_3COH (d) (CH_3)...