Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+ is
-
[Co(en)3]3+, [Co(NH3)6]3+, [Co(H2O)6]3+
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[Co(H2O)6]3+, [Co(en)3]3+, [Co(NH3)6]3+
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[Co(H2O)6]3+, [Co(NH3)6]3+, [Co(en)3]3+
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[Co(NH3)6]3+, [Co(en)3]3+, [Co(H2O)6]3+
