[M(H2O)4(en)]²* [M(H2O)2(en)2]²* [M(en)3]3+ Cu 3 x 1010 1 x 109 0.1 Ni 1 x 1010 1 x 1010 1 x 1010 (a) 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]³+ for copper and

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Kindly answer this question a, 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)4(en)]2*
[M(H2O)2(en)2]²*
[M(en)3]3+
Cu
3 x 1010
1 x 109
0.1
Ni
1 x 1010
1 x 1010
1 x 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)4(en)]2* [M(H2O)2(en)2]²* [M(en)3]3+ Cu 3 x 1010 1 x 109 0.1 Ni 1 x 1010 1 x 1010 1 x 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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