Question
9. Which of the following pathways produces 2-hexanone? (i) 1-Hexyne is treated with Hg2+/dil. H2SO4. (ii) 3-Methylhept-2-ene is treated with O3 followed by hydrolysis. (iii) n-butyl magnesium bromide reacts with acetaldehyde followed by hydrolysis and then oxidation with chromic acid. (iv) Hydroboration-oxidation of 1-hexyne.