Packet 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 (15[1]-5[1])bound (-5[1])to two iodides (15[1]-5[1])and two (15[1])of these ligands. (15[1]-5[1])Due to (15[1])extensive (15[1])backbonding, this molecule has the highest (15[1])delta (-5[1])in the spectrochemical series. In (15[1])the water gas shift reaction, (15[2])this molecule reacts (15[1])with (*) water. (10[2])This isoelectronic (-5[1])ligand (10[1])to cyanide (10[1])is a common source (-5[1])of carbonyls (10[1]-5[1])in industrial processes. This toxic molecule (10[2]-5[1])is released (10[1])by (10[1])automobiles inside (10[1])closed (10[2])garages (10[5])due (10[1])to incomplete (10[2])combustion. (10[4])For 10 points, (10[1])name this triply-bonded molecule with formula CO. (10[1])■END■ (10[5]0[1])

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