How many of the following ligands are stronger than H ₂ O ? S ²⁻, Br ⁻, C ₂ O ₃²⁻, CN ⁻ , en, NH ₃, CO , OH ⁻

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Correct answer: C. 4

The ligands are classified as weak and strong ligand. According to spectrochemical series. aligned & I ⁻ Br ⁻ S ²⁻ SCN ⁻ Cl ⁻ N ₃⁻ F ⁻ urea OH ⁻ & C ₂ H ₅ OH C ₂ O ₄⁻ O ²⁻ H ₂ O NCS ⁻ gly NH ₃ en & NH ₂ OH bPy NO CH ₃⁻ C ₆ H ₅⁻ CN ⁻ CO aligned 4 ligands are strong then H ₂ O

How many of the following ligands are stronger than H ₂ O ? S ²⁻, Br ⁻, C ₂ O ₃²⁻, CN ⁻ , en, NH ₃, CO , OH ⁻

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