Chemistry · IUPAC nomenclature of mononuclear co-ordination compounds, isomerism
_{6}\right]\left[\boldsymbol{C r}(\boldsymbol{S C} \boldsymbol{N})_{6}\right] \)
\( \left[\boldsymbol{C r}\left(\boldsymbol{N} \boldsymbol{H}_{3}\right)_{6}\right]\left[\boldsymbol{C r}(\boldsymbol{S C} \boldsymbol{N})_{6}\right] \) and \( \left[\boldsymbol{C r}\left(\boldsymbol{N} \boldsymbol{H}_{3}\right)_{2}(\boldsymbol{S C N})_{4}\right]\left[\boldsymbol{C r}\left(\boldsymbol{N} \boldsymbol{H}_{3}\right)_{4}(\boldsymbol{S C N}\right. \) are the examples of what type of isomerism?
- A. lonisation isomerism
- B. Linkage isomerism
- C. coordination isomerism
- D. Solvate isomerism
Step-by-step solution
Both compounds have the same overall molecular formula Cr2(NH3)6(SCN)6 but differ in the distribution of ligands between the two chromium centers: the first has one Cr with all NH3 and the other with all SCN, while the second has a mixed distribution. This is characteristic of coordination isomerism, where the composition of the coordination sphere changes between cation and anion.
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