Which set has all the coloured ions?

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

Cu+,Cu2+,Ni2+

Cu2+,Fe2+,Co2+

Cu2+,Co2+,Sc3+

Na+,Mg2+,Al3+

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Cu+ is colourless and Sc3+ is colourless.Na+,Mg2+,Al3+--colourlessas they have no unpaired electron in d-orbitals.

Watch 3-min video & get full concept clarity