EASY
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In FeCO5, the Fe C bond possesses

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Important Questions on Coordination Compounds

MEDIUM
Mn2CO10 is an organometallic compound due to the presence of:
HARD
In the cobalt-carbonyl complex : Co2CO8, number of Co-Co bonds is "X" and terminal CO ligands is " Y". X+Y=___
MEDIUM
Which of the following species is not stable?
MEDIUM
The correct pair of orbitals involved in $\pi$ -bonding between metal and CO in metal carbonyl complexes is:
HARD
The correct statement(s) regarding the binary transition metal carbonyl compounds is (are) (Atomic numbers: Fe = 26, Ni = 28 )
MEDIUM
Low oxidation state of metals in their complexes are common when ligands
EASY
The sum of bridging carbonyls in WCO6 and Mn2CO10 is _____ .
EASY
Number of bridging CO ligands in Mn2CO10 is             
MEDIUM
How many bridging carbonyl(s) is/are present in the compound Fe3(CO)12 compound?
MEDIUM

Among the given complexes that possess "CO" ligand bridges are

Co2CO8I  Fe3CO12II  Mn2CO10III  Fe2CO9IV

MEDIUM

Given below are two statements: one is labelled as “Assertion A” and the other is labelled as “Reason R”

Assertion A : In the complex Ni(CO)4 and Fe(CO)5, the metals have zero oxidation state.

Reason R : Low oxidation states are found when a complex has ligands capable of π-donor character in addition to the σ-bonding.

In the light of the above statements, choose the most appropriate answer from the options given below

HARD
Number of complexes which will exhibit synergic bonding amongst, CrCO6,MnCO5 and Mn2CO10 is
MEDIUM
Discuss the nature of bonding in metal carbonyls.
MEDIUM
The number of bridging carbonyls in Co2CO8 is
HARD
The theory that can completely/properly explain the nature of bonding in NiCO4 is:
HARD
Which of the following has the longest CO bond length? (Free CO bond length in CO is 1.128 Ao).
MEDIUM
The most unstable carbonyl complex among the following is
HARD

Choose the correct of M – C bond order in the following molecule and ions