1.Final product: Hex-3-ynal → (i) NaBH4 (ii) MeMgBr/ether (iii) CO2/H3O+a.4-ethyl-4-hydroxyheptanoic acidb.Hex-3-enoic acid derivativec.5-methyl-4-hydroxyhept-3-enoic acidd.2-ethyl-2-hydroxyhexanedioic acidLogin to continueOnly logged in users canattempt or see the solution.