Given below are two statements :
Statement I : A solution of 
is green in colour.
Statement II : A solution of 
is colourless.
choose the most appropriate answer from the options given below:
Text Solution
Verified by ExpertsB
Atomic no. of 
Outermost electronic configuration (Ni) 
Ground state :
being weak field ligand, unable to cause pairing of electrons.
No. of unpaired electrons 
has 2 unpaired electrons due to weak 
ligands which absorb light for 
transition from visible region and radiate complementary colour i.e., green. Whereas 
does not have any unpaired electron due to strong 
ligand, therefore does not absorb light from visible region hence, it is colourle
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