Complexes, Catalysts & AlloysD & F Block
How do transition metals act as catalysts?.
Expert Answer
- Surface Adsorption: 3d/4s electrons bond with reactants, lowering activation energy. 2. Variable Oxidation States: Forming unstable intermediates.
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Why are Zn, Cd, and Hg not considered transition elements?.
In the 3d series, which element has the lowest enthalpy of atomization and why?.
Why is the melting point of Manganese (Mn) anomalously low compared to its neighbors?.
Why do the atomic radii of the second (4d) and third (5d) transition series exhibit very similar values (e.g., Zr ≈ Hf)?.
Why is the first Ionisation Enthalpy (IE) of Zn higher than expected, while Cr is lower?.