[" iii) The IUPAC name of "(CH_(3))_(2)C(OH)CH_(2)COCH_(3)" is "],[[" (a) "4" -Hydroxy-4-methylpentan- "2" -one "," (b) "2" -Hydroxy-2-methylpentan-4-one "],[" (c) diacetone alcohol "," (d) 4-Hydroxy-4-methyl-2-oxopentane "]]