Two complexes, ${\mathrm{PtCl}}_4.2{\mathrm{NH}}_3$ and ${\mathrm{PtCl}}_4.2\mathrm{KCl}$, do not give the precipitate of $\mathrm{AgCl}$ with ${\mathrm{AgNO}}_3$ solution. The conductance studies indicate the presence of zero and three ions per mol in their solutions. The structures of these complexes are _____.

Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will NOT give the test for chloride ions with silver nitrate at $25°\mathrm{C}$?

The CORRECT order of the stoichiometries of $\mathrm{AgCl}$ formed when ${\mathrm{AgNO}}_3$, in excess, is treated with the one mole each of the complex: ${\mathrm{CoCl}}_3.6{\mathrm{NH}}_3, {\mathrm{CoCl}}_3.5{\mathrm{NH}}_3, {\mathrm{CoCl}}_3.4{\mathrm{NH}}_3$, respectively, is _______.

The solution of this compound will show the maximum ionic conductivity:

Which of the following represents a chelating ligand:

[JIPMER 2002]

What is/are the number of donor atoms in dimethylglyoximato ligand?

[MHT CET 2018]

The CORRECT structure of ethylenediaminetetraacetic acid (EDTA) is ______:

[IITJEE 2010]