Chemistry - Coordination Chemistry Question with Solution | TestHub

(Valence Bond Theory) The coordination complex ${\left[\mathrm{Cu}{\left({\mathrm{OH}}_2\right)}_6\right]}^{2+}$ has one unpaired electron. Which of the following statements are true ?

(1) The complex is octahedral

(2) The complex is an outer orbital complex

(3) The complex is $d^{2}s{p}^3$ hybridized

(4) The complex is diamagnetic

(5) Secondary valency of Cu is 6