The coordination number of Cu in the complex | vedclass

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(A) The coordination number is defined as the total number of sigma bonds formed by the central metal atom or ion with the ligands.In the complex $[Cu

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$4$

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(A) The coordination number is defined as the total number of sigma bonds formed by the central metal atom or ion with the ligands.In the complex $[Cu(H_2O)_4]^{2+}$,the central metal ion is $Cu^{2+}$.There are $4$ water molecules $(H_2O)$ acting as monodentate ligands attached to the central metal ion.Therefore,the coordination number $= 4 	imes 1 = 4$.

The coordination number of $Cu$ in the complex $[Cu(H_2O)_4]^{2+}$ is:

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