2. For the following redox reaction, please indicate whether the metal center is inert or labile towards ligand substitution. [Co(CN),(OH2)]* + [Co(NH3)>(NCS)J² = [Co(CN)s(SCN)]J* + [Co(OH2)sJ**
2. For the following redox reaction, please indicate whether the metal center is inert or labile towards ligand substitution. [Co(CN),(OH2)]* + [Co(NH3)>(NCS)J² = [Co(CN)s(SCN)]J* + [Co(OH2)sJ**
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter21: Transition Metals And Coordination Chemistry
Section: Chapter Questions
Problem 86AE
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![2. For the following redox reaction, please indicate whether the metal center is inert
or labile towards ligand substitution.
[Co(CN)6(OH2)* + [Co(NH3)s(NCS)]F* = [Co(CN):(SCN)]* + [Co(OH2)sJ**
3. Explain why, in the products of this reaction, one of the cobalt centers has lost all
of the ammonia ligands initially attached to it.
4. Draw the Lewis structure for the SCN ligand and explain the two different ways
that it can function as a bridging ligand.
5. In the redox reactions between [Co(CN)s(OH2)]³- and both linkage isomers of
[Co(NH3)(SCN)]²*, [Co(CN),(SCN)]* is one of the products formed. Please draw
the two different bridged intermediates (one that results from the reaction of each
linkage isomer) that lead to the single S-bonded product.
6. In the redox reaction between [Co(NH3)s(SCN)]2* and [Cr(OH2)6]²*, both remote
and adjacent attack on the SCN ligand can occur, resulting in the formation of
[Cr(OH2)s(NCS)J²* and [Cr(OH2)s(SCN)]²*, respectively. When [Co(NH3)s(NCS)]²*
is used, only [Cr(OH,)s(SCN)]²* is formed. Please explain these results.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F73f287ec-1f7f-4342-bd76-a85a74415d84%2F5dd86e1b-6001-47e7-83e5-1a00951ffa8b%2F45zm3cl_processed.png&w=3840&q=75)
Transcribed Image Text:2. For the following redox reaction, please indicate whether the metal center is inert
or labile towards ligand substitution.
[Co(CN)6(OH2)* + [Co(NH3)s(NCS)]F* = [Co(CN):(SCN)]* + [Co(OH2)sJ**
3. Explain why, in the products of this reaction, one of the cobalt centers has lost all
of the ammonia ligands initially attached to it.
4. Draw the Lewis structure for the SCN ligand and explain the two different ways
that it can function as a bridging ligand.
5. In the redox reactions between [Co(CN)s(OH2)]³- and both linkage isomers of
[Co(NH3)(SCN)]²*, [Co(CN),(SCN)]* is one of the products formed. Please draw
the two different bridged intermediates (one that results from the reaction of each
linkage isomer) that lead to the single S-bonded product.
6. In the redox reaction between [Co(NH3)s(SCN)]2* and [Cr(OH2)6]²*, both remote
and adjacent attack on the SCN ligand can occur, resulting in the formation of
[Cr(OH2)s(NCS)J²* and [Cr(OH2)s(SCN)]²*, respectively. When [Co(NH3)s(NCS)]²*
is used, only [Cr(OH,)s(SCN)]²* is formed. Please explain these results.
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