he College CH x 3023368 ng.co here on the bookmarks bar. Import baokmarks now. 0
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he College CH x 3023368 ng.co here on the bookmarks bar. Import baokmarks now. 08 Gradeboo 12n/2016 05:55 PM 48/5, 121/2016 08:55 AM Periodic Talle Print of 31 Sapling Learning write the for a complex formed between Co" and ethylenediamine (NHzCH2CH2NH20, with ation number of 6. co(en). write the formula for a complex formed between cu and carbonato (cos with a coordination of 4. Cu CO, There is additional feedback bottom divider bar bar again to hide the additional Meedback Previous Give up 8 view solution a Try Again 0 Next AExit-Explanation / Answer
The coordination number is the the number of atoms or ions immediately surrounding a central atom in a complex or crystal. Here it is the the number of coordinate covalent bonds bonded to the central Co3+ ion.
Example
The coordination number of dibromobis(ethylenediamine) cobalt(III) ion [Co(en)2Br2]+ is equal to 6
The central cobalt atom will actually be bonded to a total of six atoms
-two nitrogen atoms from the first ethylenediamine molecule
-two nitrogen atoms from the second ethylenediamine molecule
-two chlorine atoms
Therefore, the coordination number of cobalt in the [Co(en)2Br2]+complex ion is equal to 6.
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