The co-ordination number of Fe in Ferrocene is : 

1. 2

2. 5

3. 6

4. 10

[Fe(H₂O)₆]³⁺ and [Fe(CN)₆]^3- differ in

(1) Magnetic nature

(2) Oxidation number

(3) Co-ordination number

(4) Structure

The number of geometrical isomers possible for a square planar complex $[\mathrm{Mabcd}{]}^{\pm \mathrm{n}}$ are

(1) 2

(2) 3

(3) 4

(4) 5

Calculate the number of moles of AgCl precipitated when excess AgNO₃ solution is added to 100 mL of 0.024 M dichlorobis(ethylenediamine)cobalt(III) chloride solution.

1. 0.0012

2. 0.0016

3. 0.0024

4. 0.0048

The species that cannot act as an ambidentate ligand is:

[Cr(en)₂Br₂]⁺ can show

(1) Optical isomerism

(2) Geometrical isomerism

(3) Both (1) and (2)

(4) Neither (1) nor (2)

How many hydrate isomers are possible for the molecular formula CoCl₃,6H₂O?

1. One

2. Two

3. Three

4. Four

[Cu(NH₃)₄]²⁺ is complex which have

1. Square planar structure and diamagnetic nature

2. Tetrahedral structure and paramagnetic nature

3. Square planar structure and paramagnetic nature

4. Tetrahedral structure and diamagnetic behaviour.

The number of ions formed in K₄[Fe(CN)₆] are

1. 11

2. 5

3. 4

4. 9

Which of the following complex will show geometrical as well as optical isomerism ?

1. [Pt(NH₃)₂Cl₂]

2. [Pt(NH₃)Cl₃]

3. [Pt(en)₂Cl₂]

4. [Pt(en)₃]⁴⁺