Complexes with halide ligands are generally:

1. High spin complexes.

2. Low spin complexes.

3. Both high spin and low spin complexes.

4. None of the above.

If 1/3rd of the total chlorine of the compound is precipitated by adding AgNO₃ to its aqueous solution, then the most likely structure of CrCl₃.6H₂O among the following is:

The correct statement among the following is:

The complex that does not have a tetrahedral shape is:

1. ${\left[Cu{\left(N{H}_3\right)}_4\right]}^{2+}$             

2. $\left[Ni{\left(CO\right)}_4\right]$

3. ${\left[NiC{l}_4\right]}^{2-}$                     

4. ${\left[Zn{\left(N{H}_3\right)}_4\right]}^{2+}$

The complex that contains only one unpaired electron is:

1. [CoF₆]^3-

2. [Co(C₂O₄)₃]^3-

3. [Fe(CN)₆]^3-

4. [MnCl₆]^3-

Total geometrical isomers possible for [Pd²⁺(NH₂-CH(CH₃)-CO₂^-)₂]⁰ are -

1. 2

2. 3

3. 4

4. 6

Isomerism exhibited by [Co(EDTA)]^- is/are:
 

1. Optical & geometrical isomerism.

2. Geometrical isomerism.

3. Optical isomerism.

4. No isomerism is exhibited by [Co(EDTA)]^-

1. [Co(en)₃][Cr(C₂O₄)₃]
2. [Cu(NH₃)₄][CuCl₄]
3. [Ni(en)₃][Co(NO₂)₆]

Which of the following complex ions is Bronsted-Lowry acid?

1. [Cu(NH₃)₄]²⁺

2. [FeCl₄]^-

3. [Fe(H₂O)₆]³⁺

4. [Zn(OH)₄]^2-

The expected number of unpaired electrons for the complex ion [Cr(NH₃)₆]³⁺ are: 

1. 2

2. 3

3. 4

4. 5