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Explain the significant difference in the K value of [M(en)3]³+ for copper and nickel. Demonstrate what will happen if the en changed to NH3?

Explain the significant difference in the K value of [M(en)3]³+ for copper and nickel. Demonstrate what will happen if the en changed to NH3?

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter21: Chemistry Of The Main-group Elements
Section: Chapter Questions
Problem 21.163QP
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Kindly answer question b & c

The stepwise stability constant, K at 25 °C in an aqueous solution for the formation of copper and nickel complexes are shown below. [M(H2O)a(en)]2* [M(H2O)2(en)2]?* [M(en)3]* Cu 3х 1010 1 x 10° 0.1 Ni 1 x 1010 1 x 1010 1х 1010 (а) Express the chemical equations that are characterised by the stepwise stability constants for the three complexes formed by nickel. (b) Explain the significant difference in the K value of [M(en)3]** for copper and nickel. (c) Demonstrate what will happen if the en changed to NH3?
Transcribed Image Text:The stepwise stability constant, K at 25 °C in an aqueous solution for the formation of copper and nickel complexes are shown below. [M(H2O)a(en)]2* [M(H2O)2(en)2]?* [M(en)3]* Cu 3х 1010 1 x 10° 0.1 Ni 1 x 1010 1 x 1010 1х 1010 (а) Express the chemical equations that are characterised by the stepwise stability constants for the three complexes formed by nickel. (b) Explain the significant difference in the K value of [M(en)3]** for copper and nickel. (c) Demonstrate what will happen if the en changed to NH3?
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