Chemistry - Coordination Chemistry Question with Solution | TestHub

ChemistryCoordination ChemistryWerner theory + calculation of EANMedium2 minQB

ChemistryMediummultiple choice

For the complex $[Mn_{2} (CO)_{10}]$ , which of the following statements are correct?

Answer:

A, B, C

Solution:

Concept:

Metal-Metal bonding, EAN rule in carbonyls.

Solution:

1. Mn (Atomic Number 25). Mn(0) has 25e⁻. 5CO × 2 = 10e⁻. Total = 35e⁻.

2. To achieve 36e⁻ (Kr), two Mn(CO)₅ units share one electron via a Mn−Mn bond.

3. The oxidation state is 0.

4. The geometry is capped octahedral (staggered) to reduce repulsion.

Stream:JEESubject:ChemistryTopic:Coordination ChemistrySubtopic:Werner theory + calculation of EAN

⏱ 2mℹ️ Source: QB

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