$\pi$ bonding is not involved in

1. Ferrocene

2. Dibenzene Chromium

3. Zeise's Salt

4. Grignard Reagent

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

If excess of AgNO₃ solution is added to 100ml of 0.024M Solution of dichlorobis(ethylene diamine) cobalt(III) Choloride, how many moles of AgCl will be precipitated?

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