Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Which of the following molecules is colourless?
A
(crystal) B
(anhydrous) C
(aq) D
Text Solution
Verified by ExpertsThe correct answer is:
B
Hydrated copper sulphate 
is blue in colour, because the ligand (water) molecules facilitates 
- 
- transition. Anhydrous copper sulphate 
is colourless. In the absence of ligand (water) molecules, splitting of 
-orbitals is not possible. Hence, 
- 
transition is not possible. Hence, option is correct.
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