${\text{K}}_{\text{4}}{\text{[Fe(CN)}}_{\text{6}}\text{]}\text{+}{\text{M}}^{\text{x+}}\text{(aq)}\to \underset{\text{Coloured}\text{precipitate}}{{\text{M}}_{\text{4}}{{\text{[Fe(CN)}}_{\text{6}}\text{]}}_{\text{x}}\downarrow }$
Which of the following cation does not respond to the above reaction?

Given below are two statements:
Statement I : The identification of ${\mathrm{Ni}}^{2+}$ is carried out by dimethyl glyoxime in the presence of ${\mathrm{NH}}_4\mathrm{OH}$.

Statement II :The dimethyl glyoxime is a bidentate neutral ligand.

In the light of the above statements, choose the correct answer from the options given below:

To inhibit the growth of tumours, identify the compounds used from the following:

(A) EDTA
(B) Coordination Compounds of $\mathrm{Pt}$
(C) D-Penicillamine
(D) Cis - Platin

Choose the correct answer from the option given below: