The correct statements about ethane-1,2-diamine as a ligand are:

(a)	It is a neutral ligand
(b)	It is a bidentate ligand
(c)	It is a chelating ligand
(d)	It is a unidentate ligand

 

1.	a and b	2.	b and c
3.	a, b and c	4.	a, c and d

Number of geometrical isomer(s) possible for the complex [Cr(C₂O₄)₃]^3- is/are:

$$The correct statement among the following regarding \(FeCO_5\) is:

1. Tetranuclear

2. Mononuclear

3. Trinuclear

4. Dinuclear

The correct electronic configuration of the central atom in ${\mathrm{K}}_4\left[\mathrm{Fe}{\left(\mathrm{CN}\right)}_6\right]$  based on crystal field theory is:

A complex has a molecular formula MSO₄Cl.6H₂O. Its aqueous solution gives white precipitate with barium chloride solution and no precipitate is obtained when it is treated with silver nitrate solution.

If the secondary valence of the metal is six, the correct representation of the complex is:

1. [M(H₂O)₄Cl]SO₄.2H₂O
2. [M(H₂O)₆]SO₄  
3. [M(H₂O)₅Cl]SO₄.H₂O
4. [M(H₂O)₃Cl]SO₄.3H₂O

A metal ion present in vitamin B₁₂ is:

The crystal field splitting energy is:

[Cr(NH₃)₆]³⁺ is paramagnetic ,while ${\left[\mathrm{Ni}{\left(\mathrm{CN}\right)}_4\right]}^{2-}$ is diamagnetic because:

The isomerism displayed by K₃[Co(NO₂)₆] and K₃[Co(ONO)₆] is: 

The correct representation of Potassium tris(oxalato)chromate(III) is:

$1.$ ${\mathrm{K}}_2\left[\mathrm{Cr}{\left({\mathrm{C}}_2{\mathrm{O}}_4\right)}_3\right]$
$2.$ ${\mathrm{K}}_3\left[\mathrm{Cr}{\left({\mathrm{C}}_2{\mathrm{O}}_4\right)}_3\right]$
$3.$ ${\mathrm{K}}_3\left[\mathrm{Cr}{\left({\mathrm{C}}_2{\mathrm{O}}_4\right)}_2\right]$
$4.$ ${\mathrm{K}}_2\left[\mathrm{Cr}{\left({\mathrm{C}}_2{\mathrm{O}}_4\right)}_4\right]$