The equilibrium constants for the successive reactions of 1,2-diaminoethane with Co 2+ , Ni 2+ , and
Question:
The equilibrium constants for the successive reactions of 1,2-diaminoethane with Co2+, Ni2+, and Cu2+ are as follows:
Discuss whether these data support the generalizations in the text about successive formation constants. How do you account for the very low value of K3 for Cu2+?
Transcribed Image Text:
[M(OH₂) 1²+ + en [M(en)(OH₂), 1²+ + en [M(en), (OH₂)₂ 1²+ +en ¬ Ion Co²+ Ni²+ Cu²+ [M(en) (OH₂), 1²+ + 2H₂O K₁ [M(en)₂ (OH₂)₂]²+ + 2H₂O_K₂ [M(en), 1²+ + 2H₂O K₂ log K, 5.89 7.52 10.72 log K₂ 4.83 6.28 9.31 log K, 3.10 4.26 -1.0
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Related Book For
Inorganic Chemistry
ISBN: 9780198768128
7th Edition
Authors: Mark Weller, Tina Overton, Jonathan Rourke
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