Which ion is colourless?1 pointA. [Sc (H2O)6]3+B. [Cr (H2O)6]3+C. [Fe (H2O)6]3+D. [Fe (CN)6]3–
Question
Solution 1
The color of a complex ion depends on the transition of electrons between the d-orbitals of the central metal ion.
A. [Sc(H2O)6]3+: Scandium ion has a 3d0 configuration. There are no d-electrons for transitions and hence, it is colorless.
B. [Cr(H2O)6]3+: Chromium ion has a 3d3 configuration. The Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
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