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Q.
How many ions will be furnished by $ CoCl_{3}\,.\,\,6NH_{3} $ ?
Delhi UMET/DPMTDelhi UMET/DPMT 2006
Solution:
$CoCl _{3} \cdot 6 NH _{3}$ form the compounds $\left[ Co \left( NH _{3}\right)_{6} Cl _{3}\right.$ or $\left[ Co \left( NH _{3}\right)_{5} Cl \right] Cl _{2}$
So, the above compound forms $4$ or $3$ ions in the solution.