Molecular orbital diagram of tetrahedral complexes [MnO4]- and transitions responsible for color

🌈 Molecular Orbital Diagram of [MnO₄]⁻ | Why is KMnO₄ Purple? | d-p π Bonding & Color Transitions

In this video, we decode the Molecular Orbital (MO) diagram of tetrahedral complex [MnO₄]⁻, one of the most iconic colored species in inorganic chemistry. Understand the d–p π bonding, ligand-to-metal charge transfer (LMCT), and the electronic transitions responsible for its intense purple color.

🔍 What you’ll learn:

How to draw the MO diagram of tetrahedral oxoanions like [MnO₄]⁻

Why [MnO₄]⁻ is colored despite Mn⁷⁺ being d⁰

Role of π-interactions and ligand-to-metal charge transfer

Explanation of the UV-Visible absorption responsible for color

Comparison with other tetrahedral complexes like [CrO₄]²⁻, [VO₄]³⁻

🎯 Perfect for CSIR-NET, GATE, IIT-JAM, NEET, BSc/MSc Chemistry, and anyone curious about transition metal chemistry.

📘 Bonus: Tips to identify color origin in d⁰ systems and non-transition metal complexes.

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