Which among the following cations will form the lowest stability complex if the ligand remains the same?

  • A
    $Cu^{2+}$
  • B
    $Fe^{2+}$
  • C
    $Cd^{2+}$
  • D
    $Ni^{2+}$

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Similar Questions

For the complex $ML_2$,the stepwise formation constants for the reactions:
$M + L \rightleftharpoons ML$
$ML + L \rightleftharpoons ML_2$
are $4$ and $3$ respectively. Hence,the overall stability constant for the reaction:
$M + 2L \rightleftharpoons ML_2$
is:

The formula of the product formed, when sodium thiosulphate solution is added to silver bromide is

Identify the correct decreasing order of stability of complexes formed by divalent metal ions with the same ligand.

Assertion : The $[Ni(en)_3]Cl_2$ ($en =$ ethylenediamine) has lower stability than $[Ni(NH_3)_6]Cl_2$.
Reason : In $[Ni(en)_3]Cl_2$,the geometry of $Ni$ is trigonal bipyramidal.

$HgCl_2$ is a covalent compound,sparingly soluble in water. The solubility increases by the addition of chloride ions due to:

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