The total number of geometrical isomers possible for an octahedral complex of the type $[MA_{2}B_{2}C_{2}]$ is ($M=$ transition metal; $A, B$ and $C$ are monodentate ligands).
- A$3$
- B$4$
- C$5$
- D$6$
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Which of the following statements is correct?
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View SolutionThe $d-$electron configurations of $Cr^{2+}, Mn^{2+}, Fe^{2+}$ and $Co^{2+}$ are $d^4, d^5, d^6$ and $d^7$ respectively. Which one of the following will exhibit minimum paramagnetic behaviour?
(At. nos. $Cr = 24, Mn = 25, Fe = 26, Co = 27$)
(At. nos. $Cr = 24, Mn = 25, Fe = 26, Co = 27$)
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What type of isomerism is exhibited by $[Co(NH_3)_6][Cr(CN)_6]$ and $[Cr(NH_3)_6][Co(CN)_6]$?
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