question_answer

How many EDTA (ethylenediaminetetra acetic acid) molecules are required to make an octahedral complex with a \[C{{a}^{2+}}\] ion ?     AIEEE  Solved  Paper-2006

A) six                          

B)        three    

C)        one                       

D)        two

Correct Answer: C

Solution :

EDTA (Ethylenediaminetetra acetic acid) It is hexadentate that's why for octahedral complex only one EDTA is required.