Fe2(CO)9 is diamagnetic.Which of the following reasons is correct?
1. Presence of one CO as bridge group
2. Presence of monodentate ligand
3. Metal-metal(Fe-Fe) bond in molecule
4. Resonance hybridization of CO
The compound that is not -bonded organometallic compound is :
1. K[PtCl3(-C2H4)]
2. Fe(-C5H5)2
3. Cr(-C6H6)2
4. (CH3)4Sn
Ferrocene is :
1. Fe(-C5H5)2
2. Fe(-C5H5)2
3. Cr(-C5H5)5
4. Os(-C5H5)2
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
Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+ is :
(1) , ,
(2) , ,
(3) , ,
(4) ,,
An example of a sigma bonded organometallic compound is:
1. Grignard's reagent
2. Ferrocene
3. Cobaltocene
4. Ruthenocene
Iron carbonyl, , is classified as:
1. | Tetranuclear | 2. | Mononuclear |
3. | Trinuclear | 4. | Dinuclear |
The complex ion that does not expected to absorb visible light is:
1.
2.
3.
4.
The shape of Fe(CO)5 is:
1. | Octahedral | 2. | Square planar |
3. | Trigonal bipyramidal | 4. | Square pyramidal |