JEE MAIN - Chemistry (2006 - No. 12)
How many EDTA (ethylenediaminetetraacetic acid) molecules are required to make an octahedral
complex with a Ca2+ ion?
Six
Three
One
Two
解释
$$EDTA$$ has hexadentate four donar $$O$$ atoms and $$2$$ donar $$N$$ atoms and for the formation of octahedral complex one molecule is required