Using chair conformational structures (Section 4.11), show the nucleophilic substitution reaction that would take place when trans-1-bromo-4-tert-butylcyclohexane

Question:

Using chair conformational structures (Section 4.11), show the nucleophilic substitution reaction that would take place when trans-1-bromo-4-tert-butylcyclohexane reacts with iodide ion. (Show the most stable conformation of the reactant and the product.)