1.

The stability constants of the complexes formed by a metal ion (M^(2+)) with NH_(3), CN^(-) , H_2O and en are of the order 10^(11), 10^(27), 10^(15) and 10^(8) respectively . Then ___________.

Answer»

en is the strongest ligand.
`CN^(-)` is the strongest ligand.
these VALUES CONNOT PREDICT the STRENGTH of the ligand.
all ligands are equally strong.

Answer :B


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