1.... Zeise Salt is correctly expressed as :
A. Fe(CO)6
B. [PtCl3(n²-C2H4)] ☑️
C. Fe(n⁵-C5H5)2]
D. None of these
2.... Transition metal-carbon bond energy is in the range :
A. 25-100 kJ/mole
B. 125-270 kJ/mole ☑️
C. 300-450 kJ/mole
D. None of these
3.... The most common pathway for the decomposition of transition metal alkyls is :
A. Floride elimination
B. Reductive elimination
C. ẞ-elimination ☑️
D. None of these
4... Symmetrical organometallic compund is :
A. (CH3)2Cd ☑️
B. CH3ZnCH2CH3
C. CH3MgBr
D. None of these
5.... In sodium Cyclopentadienide , bonding is :
A. Covalent
B. Ionic ☑️
C. Both
D. Nones
6.... Oxidation addition reaction follow the mechanism :
A. Concerted
B. SN2 mechanism
C. Free radical
D. All ☑️
7.... Reduction-elimination is reverse of reaction :
A. Insertion
B. Nucleophilic
C. Electrophilic
D. Oxidation - addion ☑️
8.... 18 e- species_____
A. [Co(n⁵-C5H5)2]
B. [ Ni(n⁵-C5H5)2]
C. [Fe(n⁵-C5H5)2] ☑️
D. None
9.... The first sigma bonded organometallic compund prepared was :
A. (C5H5)2Zn ☑️
B. (CH3)4Pb
C. Hg (Ch3)2
D.None
10.... The allyl ligand behaves as :
A. One e- donor
B. 3e- donor
C. Both ☑️
D. None
11.... In transition metal arene complexes, the carbon atom is :
A. sp² ☑️
B. sp³
C. sp
D. None
12.... The stability of transition metal OMC is attributed to :
A. Beta-hydride elimination is not possible☑️
B. Reductive elimination decomposition pathway is not possible
C. Both
D. None
13.... Fischer carbene is :
A. Singlet ☑️
B. Triplet
C. Doublet
D. None
14.... Schrock carbene is :
A. Electrophilic
B. Nucleophilic ☑️
C. None
15. Schrock carbene is :
A. Singlet
B. Doublet
C. Triplet ☑️
D. None
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