Could you explain which one it is (E1 or E2) and why? What is the major product?3. Specify if E] or E2 mechanism occurs and productNaNHE , NH3(CH3CH2)3CBI —)’*KOC(CH3)3, (CH3)3COHb. CH3CH2CH2C1 —h* a. c.Br Excess KOH, CH3CH20H—)– CINaOCH3, CH30H CH36…