Coordination Compounds Ques 28

28. Among the following complexes, optical activity is possible in

[1994]

(a) $[Co(NH_3)_6]^{3+}$

(b) $[Co(H_2 O)_2(NH_3)_2 Cl_2]^{+}$

(c) $[Cr(H_2 O)_2 Cl_2]^{+}$

(d) $[Co(CN)_5 NC]$

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Answer:

Correct Answer: 28.(b)

Solution:

(b) It is optically active when two $Cl$ atoms are in cis position.