Problem: For each complex, determine the number of d electrons in the metal ion.1) [Fe(CN)6]3-2) [Fe(CN)6]4-3) Co(NH3)6]2+4) [CoF6]3-5) [Mn(H2O)6]2+

🤓 Based on our data, we think this question is relevant for Professor Carlon's class at UCB.

FREE Expert Solution

We are asked to determine the number of d electrons in the metal ion.

To do so, we shall use the formula below:

number of d electrons=Group Number-Charge

[Fe(CN)6]3-

The charge of Fe (denote as x)  in the complex is:

x + 6 (-1)  = -3

x - 6 = -3

  +6       +6

x = + 3

Fe is in Group 8 and has a charge of +3, therefore the number of d electrons is:

number of d electrons = 8 - (+3) = 5

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Problem Details

For each complex, determine the number of d electrons in the metal ion.


1) [Fe(CN)6]3-


2) [Fe(CN)6]4-


3) Co(NH3)6]2+


4) [CoF6]3-


5) [Mn(H2O)6]2+

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Coordination Complexes concept. You can view video lessons to learn Coordination Complexes. Or if you need more Coordination Complexes practice, you can also practice Coordination Complexes practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Carlon's class at UCB.