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Greatdreams (3220)

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Olaaa!! Perrrfect answer. 612  [692 rates]

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You will have to know the spectrochemical series first.......

According to the spectrochemical series,

I- < Br- < S2- < SCN- < Cl- < NO3- < N3- < F- < OH- < C2O42- < H2O < NCS- < CH3CN < Pyridine < NH3 < Ethylenediamine < bipy (2,2'-bipyridine) < 1,10-phenanthroline < NO2- < PPh3 < CN- < CO

So compounds in the spectrochemical series determine whether the ligands are weak or strong.........bipin bhaiya had cleared it earlier.....i remember.

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