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

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