Cuprous ion is colourless,while cupric ion is | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) The electronic configuration of $Cu^{+}$ is $[Ar] 3d^{10}$. Since the $d$-orbital is completely filled,there are no unpaired electrons available f

Vedclass · Accepted Answer

Cuprous ion has a completed $d$-orbital and cupric ion has an incomplete $d$-orbital

Vedclass · Answer

(B) The electronic configuration of $Cu^{+}$ is $[Ar] 3d^{10}$. Since the $d$-orbital is completely filled,there are no unpaired electrons available for $d-d$ transition,making it colourless.The electronic configuration of $Cu^{2+}$ is $[Ar] 3d^{9}$. It has one unpaired electron in the $d$-orbital,which allows for $d-d$ transition,making it coloured.

Cuprous ion is colourless,while cupric ion is coloured because

Similar Questions

Which of the following elements form interstitial compounds?

Which among the following elements does not have any electron in the $f-$subshell in either its expected or observed electronic configuration?

Which of the following properties is not expected to be shown by copper?

The yellow colour of chromate ion and orange colour of dichromate ion is due to

Which of the following forms a colourless solution in aqueous medium?

Vedclass Test Series

Exam Paper Generator

Online Exam Module