[four coordinatesites of M...] When EDTA solution is added to Mg2+ ion solution, then which of the following statements

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When EDTA solution is added to Mg²⁺ ion solution, then which of the following statements is not true?

four coordinatesites of Mg²⁺ are occupied by EDTA and remaining two sites are occupied by water molecules

All six coordinate sites of Mg²⁺ are occupied

pH of the solution is decreased

Colorless [Mg–EDTA]^2– chelate is formed

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