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Unformatted text preview: 51 Cr, are given in the table for reactions at 0 °C and 1 M HClO 4 . Explain the differences in the rate constants in terms of the probable mechanism of the reaction. X k (M-1 s-1 ) F Cl Br NCS N 3 1.2 x 10-3 11 60 1.2 x 10-4 (at 24 °C) > 1.2 6 . Is the reaction [Co(NH 3 ) 6 ] 3+ + [Cr(OH 2 ) 6 ] 2+ likely to proceed by an inner-sphere or outer-sphere mechanism? Explain your answer. 2 7 . Which of the following trans complexes would you expect to react most rapidly with CO? Least rapidly? Briefly explain your choices. 8 . Predict the products of the following reactions: 9 . The complex shown below loses CO on heating. Would you expect this CO to be 12 CO, 13 CO, or a mixture of both? Why? 10 . Identify each of the reactions in the transformation below as oxidative addition, reductive elimination, ligand dissociation, etc. Some of the reactions are not the elementary steps. For those processes show each step....
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This note was uploaded on 10/12/2009 for the course CHEM C172 taught by Professor Zink,j during the Spring '08 term at UCLA.
- Spring '08