Chemistry · Coordination Compounds
What is the correct increasing order for the wavelengths of absorption (λabs) in the visible region for the complexes of Co3+?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1[Co(H2O)6]3+ < [Co(NH3)6]3+ < [Co(en)3]3+
- 2[Co(H2O)6]3+ < [Co(en)3]3+ < [Co(NH3)6]3+
- 3[Co(en)3]3+ < [Co(NH3)6]3+ < [Co(H2O)6]3+✓
- 4[Co(NH3)6]3+ < [Co(en)3]3+ < [Co(H2O)6]3+
Correct answer
[Co(en)3]3+ < [Co(NH3)6]3+ < [Co(H2O)6]3+
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