Coordination CompoundMedium
Question
A 1: 3 electrolytes in an aqueous solution is
Options
A.$\left\lbrack Co\left( {NH}_{3} \right)_{6} \right\rbrack{Cl}_{3}$
B.$\left\lbrack Co\left( {NH}_{3} \right)_{3}\left( {NO}_{2} \right)_{3} \right\rbrack$
C.$\left\lbrack {CoCl}_{2}\left( {NH}_{3} \right)_{4} \right\rbrack Cl$
D.$\left\lbrack CoCl\left( {NH}_{3} \right)_{5} \right\rbrack{Cl}_{2}$
Solution
Sol. [Key Concept: van't Hoff factor of a 1:3 electrolyte]
The aqueous solution of $\left\lbrack Co\left( {NH}_{3} \right)_{6} \right\rbrack{Cl}_{3}$ is a type of 1: 3 type electrolytes as it undergoes dissociation into $\left\lbrack Co\left( {NH}_{3} \right)_{6} \right\rbrack^{3 +}$ and $3{Cl}^{-}$ions.
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