$A$ $Pt$ complex of ammonia and chlorine that produces four ions per molecule in the solution is

How many ions are produced in the solution of the compound $[Co(NH_3)_6]Cl_3$?

Given below are two statements :
Statement $I$ : $[Co(NH_3)_6]^{3+}$ is a homoleptic complex whereas $[Co(NH_3)_4 Cl_2]^{+}$ is a heteroleptic complex.
Statement $II$ : Complex $[Co(NH_3)_6]^{3+}$ has only one kind of ligands but $[Co(NH_3)_4 Cl_2]^{+}$ has more than one kind of ligands.
In the light of the above statements,choose the correct answer from the options given below.

Which of the following statements is incorrect for $EDTA$?

The ratio of the number of cations,anions,and water molecules respectively in potash alum is:

Which among the following is a cationic complex?