Q. How many statements is/are correct for given complex i) It contain negative ligands only
ii) The oxidation state of central metal atom is
iii) It is optically active
iv) Due to chelation the stability of the complex increases
v) It exhibit geometrical isomerism
vi) It is octahedral with hybridization.
vii) All oxalate ligands are replaced by ethylenediamine, then complex do not show optical activity.

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Answer: 5

Solution:

i) It contain negative ligands only
ii) The oxidation state of central metal atom is
iii) It is optically active
iv) Due to chelation the stability of the complex increases
v) It is an octahedral with hybridization.
the above statement are correct.