Round 5: Tossup 18

This non-alkene ligand adds to an alkyl chain in the textbook example of a migratory insertion. The starting material for the Cativa process consists of Iridium bound to two iodides and two (15[1])of these ligands. (15[1])Due to (15[1])extensive backbonding, this molecule has the highest (15[1])delta (-5[1])in the spectrochemical series. In the water gas shift reaction, this molecule reacts with (*) water. (10[1])This isoelectronic ligand to cyanide is a common source of carbonyls in industrial processes. This toxic molecule is released by automobiles inside closed garages (10[2])due to incomplete combustion. For 10 points, name this triply-bonded molecule with formula CO. ■END■ (10[1])

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