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CGP EDU Academic Team
Published on: August 13, 2026
The aqueous solution of the following salts will be coloured in the case of :
Text Solution
Verified by ExpertsThe correct answer is:
B
Associated with d-d transition of electron.
The transition metals form the reaction intermediates due to the presence of vacant orbitals or their tendency to form variable oxidation states.
Associated with the number of unpaired electrons participating in metallic bonding.
As m = 
, so it is associated with number of unpaired electron.
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