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 of these ligands. (-5[1])Due to extensive backbonding, this molecule has the highest delta in the spectrochemical series. In the water gas shift reaction, this molecule reacts with (*) water. This isoelectronic ligand to cyanide is a common source of carbonyls (-5[1])in industrial processes. This toxic molecule is released by automobiles inside closed garages (10[2])due to incomplete combustion. (10[1])For 10 points, name this triply-bonded molecule with formula CO. ■END■ (10[1]0[1])

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