The denticity of EDTA is:

Glycinato ligand is :

1. 

2. bidentate ligand

3. two donor sites N and O^-

4. all of the above

The species that cannot act as an ambidentate ligand is:

An example of a sigma bonded organometallic compound is:

1. Ruthenocene                 

2. Grignard's reagent

3. Ferrocene                     

4. Cobaltocene

The sum of coordination number and oxidation number of the metal M in the complex M(en)₂(C₂O₄)]Cl (where, en is ethylenediamine) is : 

1. 9

2. 6

3. 7

4. 8