4. a) 1.0 Predict the product of the following rection. CH3 1. BH3 i) CH3CH2 CH3 2. NaOH, H2O2 H ampen on ii) 1. Hg(OAc)2, H20 2. NaBH4 How would you synthesize Ethyl-2,2-dimethylpropyl ether using Williamson's ether synthesis? 1.0 Page 1 of 2 c) 2.0 Compare and contrast between nucleophilic addition reaction and nucleophilic acyl substitution reaction, emphasizing on reaction mechanisms and giving examples. Why must Grignard reagent be protected from atmospheric water? 1.0