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what is the coordination number of Zn in the complex [Znen2]Br2 and why?

what is the coordination number of Zn in the complex [Znen2]Br2 and why?

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Answer #1

=> Coordination Number= Number of ligands bonded to metal
=> The coordination number will always be determined by ligands bonded to the metal inside the brackets.
=> There are special cases in which certain elements can have two bonding sites, called a bidentate, so it will increase the coordination number.

=> Coordination Number for [Zn(en)2]Br2 =4
(en) has two bonding sites every time it is represented, here 2(en) ligands are inside brackets. So coordination number is 4.

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