The equilibrium constants for the successive reaction of ethylenediamine with Co“", Niª", and Cư* are as follows. [M(OH2)6]³+ + en [M(en)(OH2)4]²+ + en [M(en)2(OH2)2]²* + en [M(en)(OH2)4]³* +2H2O [M(en)2(OH2)2]²* + 2H2O [M(en):]²* + 2H2O KỊ K2 K3
The equilibrium constants for the successive reaction of ethylenediamine with Co“", Niª", and Cư* are as follows. [M(OH2)6]³+ + en [M(en)(OH2)4]²+ + en [M(en)2(OH2)2]²* + en [M(en)(OH2)4]³* +2H2O [M(en)2(OH2)2]²* + 2H2O [M(en):]²* + 2H2O KỊ K2 K3
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter22: The Chemistry Of The Transistion Elements
Section22.4: Structures Of Coordination Compounds
Problem 2RC
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Is the reason for k3 falling so much because en is a bulky ligand?
![The equilibrium constants for the successive reaction of ethylenediamine with Co²“, Ni²“, and
Cu²* are as follows.
[M(OH2)6]²* + en
[M(en)(OH2)«]²+ + en
[M(en)2(OH2)2]2* + en
[M(en)(OH2)4]²* + 2H2O
[M(en)2(OH2)2]²+ +2H2O
[M(en)3]?+ +2H2O
KI
K2
K3
Ion
log KI
5.89
log K2
4.83
log K3
3.10
Co²+
Ni2+
Cu²+
7.52
6.28
4.26
10.55
9.05
-1.0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F51952415-2118-4ea6-8ab7-c223ce2fdeb3%2Fd9568e1b-578e-4c65-a71f-ad54c87fbed4%2Fwqddasq_processed.png&w=3840&q=75)
Transcribed Image Text:The equilibrium constants for the successive reaction of ethylenediamine with Co²“, Ni²“, and
Cu²* are as follows.
[M(OH2)6]²* + en
[M(en)(OH2)«]²+ + en
[M(en)2(OH2)2]2* + en
[M(en)(OH2)4]²* + 2H2O
[M(en)2(OH2)2]²+ +2H2O
[M(en)3]?+ +2H2O
KI
K2
K3
Ion
log KI
5.89
log K2
4.83
log K3
3.10
Co²+
Ni2+
Cu²+
7.52
6.28
4.26
10.55
9.05
-1.0
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