What is the number of valence electrons in this compound?

What is the number of valence electrons in this compound?
#[Co(NH_3)_3Cl_3] #

1 Answer
anor277
Jun 22, 2018

Well, #[Co(NH_3)_3Cl_3]# is an 18 electron complex...

Explanation:

You gots a #Co^(3+)# centre...that's #"6 d-electrons"#, you got 3 ammonia donors...that's another 6 electrons...and another #3xxCl^-# ligands, each of which donates TWO electrons....that is 18 electrons in total....

What geometric isomers can exist for this structure?

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