MCQ
How many geometrical isomers are possible for complex $[Mab(AB)_2]^{±n}$
- A$5$
- B$4$
- C$3$
- ✓$6$

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$Cr\, | \,Cr^{3+}_{(0.1\,M)}\,||\, Fe^{2+}_{(0.01\, M)}\,|\, Fe$ is ......... $V$

