Kindly answer question b & c The stepwise stability constant, K at 25 °C in an aqueous solution for theformation of copper and nickel complexes are shown below.[M(H2O)a(en)]2*[M(H2O)2(en)2]?*[M(en)3]*Cu3х 10101 x 10°0.1Ni1 x 10101 x 10101х 1010(а)Express the chemical equations that are characterised by the stepwisestability constants for the three complexes formed by nickel.(b)Explain the significant difference in the K value of [M(en)3]** for copper andnickel.(c)Demonstrate what will happen if the en changed to NH3?

B.This significant difference occurs because large difference between transition from Cu2+ to Cu3+…

Answered: Explain the significant difference in…

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?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter26: Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 26.30QAP

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Question

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?

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