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Water has a higher ligand field energy than ethylenediamine and ammonia in a Cr(III) complex because it is a weaker-field ligand. This means that water will cause a smaller splitting of the d-orbitals in the Cr(III) ion, resulting in a lower ligand field energy. Ethylenediamine and ammonia are stronger-field ligands, leading to a larger splitting of the d-orbitals and a higher ligand field energy.