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Give the co-ordination number of La in t...

Give the co-ordination number of La in the compound `Na[La EDTA (H_(2)O)_(4)].3H_(2)O` (Here `EDTA^(4-)` shows it's maximum denticity.)

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The correct Answer is:
10
Co-ordination number `=1xx6+4xx1 implies10`
`"EDTA"^(4-)` is hexadentate.
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