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Question

Chemistry Question on Werner’s Theory of Coordination Compounds

The octahedral complex of a metal ion M3+M^{3+} with four monodentate ligands L1,L2,L3andL4L_1,L_2,L_3 \, and \, L_4 absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is

A

L4<L3,L2<L1L_4 < L_3, L_2 < L_1

B

L1<L3<L2<L4L_1 < L_3 < L_2 < L_4

C

L3<L2<L4<L1L_3 < L_2 < L_4 < L_1

D

L1<L2<L4<L3L_1 < L_2 < L_4 < L_3

Answer

L1<L3<L2<L4L_1 < L_3 < L_2 < L_4

Explanation

Solution

The energy of red light is less than that of violet light

So energy order is

Red $