Grignard reagent is an example of organometallic compound which is very useful in the synthesis of many organic compounds. (a) Show the preparation of a Grignard reagent from bromoethane. (b) Use the above Grignard reagent to prepare the corresponding: i. alkane ii. 1Âș, 2Âș and 3Âș alcohols iii. carboxylic acid. Outline the synthesis of the following compounds: (a) 2,3-dibromobutane from 2-butene (b) bromocyclohexane from cyclohexene