An ether \[(A),{{C}_{5}}{{H}_{12}}O,\] when heated with excess of hot concentrated HI produced two alkyl halides which when treated with \[NaOH\] yielded compounds [B] and [C]. Oxidation of [B] and [C] gave a propanone and an ethanoic acid respectively. The IUPAC name of the ether [A] is: