CHM 2120 Study Guide - Ethyl Iodide, Anisole, Cyclohexanone

Which of the following is the major product (B) of the reaction? (Note 1: the 1H NMR spectra of both the starting material (3-methyl-2-butanone, A) and the product (B) are provided. Note 2: the multiplicity of each peak is indicated below the spectrum.)

Draw a detailed arrow-pushing mechanism to provide the major product [step by step, draw all the intermediates] for the following reaction in the box provided.