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The octahedral complex of a metal ion M^...

The octahedral complex of a metal ion `M^(3+)` with four monodentate ligands `L_1, L_2, L_3` and `L_4` absorbs wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is

A

`L_1lt L_2 ltL_4 lt L_3`

B

`L_4lt L_3 ltL_2 lt L_1`

C

`L_1lt L_3 ltL_2 lt L_4`

D

`L_3lt L_2 ltL_4 lt L_1`

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