Question

EAN of Co2(CO)8 in solution is:​

Answer 1

Answer:

Each atom inCo2(CO)8 has 27 electrons of its own and shares one with the other cobalt atom in addition to the 8 electron from 4 carbon monoxide (CO) molecules. The oxidation state of cobalt in Co2(CO)8 is 0. So, the effective atomic number orEAN = 27+1+8-0=36.

Explanation:

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Answer 2

Given: The given compound is $Co_2CO_8$.

To find: We have to find the EAN.

Solution:

The full form of EAN is an effective atomic number.

EAN=Z-X+Y

Where Z is the atomic number of Co which is equal to 27.

X is the oxidation state of the metal.

Here CO has charge 0 so, the oxidation state is zero.

Y is the electrons shared by the ligands.

Here the ligands share a total of 9 electrons 8 from CO and one from Co-Co bond.

EAN=27+9

EAN=36

The EAN of the given compound is 36.