Which metal ion is present in chlorophyl the green pigment of plants

1.	Which metal ion is present in chlorophyl the green pigment of plants
Answer» `Ca^(2+)` `Be^(2+)` `MG^(2+)` `AL^(3+)` Solution :`Mg^(2+)` ion is present in the green colouring PIGMENT CHLOROPHYL in plants.

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