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how do we figure out whether a ligand is weak or strong?

how do we figure out whether a ligand is weak or strong?

Grade:12

1 Answers

Vikas TU
14149 Points
7 years ago
There is no rule or deciding factor for this.
U would need to memorize tge spectrochemical series for the Coordination compounds in priority order.
From weak to strong order ligands.
The increasing Order is:
I- then Br- then S2- then SCN- then Cl- then NO3- then N3- then F- then OH- then C2O42- then H2O then NCS- then CH3CN then Py then NH3 then en then bpy then NO2- then PPh3 then CN- then CO.

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