It is an aminopolycarboxylic acid and a colourless, #10;water soluble solid. Its conjugate base is ethylenediaminetetraacetate. It is #10;widely used to dis ...

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Standard XII

Chemistry

Polydentate Ligands

EDTA is ligan...

Question

EDTA is _____________ ligand.

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Solution

It is an aminopolycarboxylic acid and a colourless, water-soluble solid. Its conjugate base is ethylenediaminetetraacetate. It is widely used to dissolve limescale. Its usefulness arises because of its role as a hexadentate ("six-toothed") ligand and chelating agent.

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Q. EDTA is a ligand.

Q. Assertion :EDTA is a hexadentate ligand. Reason: Denticity of a ligand is given by number of lone pairs donated to central atom by a ligand.

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