Question
Consider a mixture ' X ' which is made by dissolving 0.4 mol of $\left\lbrack Co\left( {NH}_{3} \right)_{5}{SO}_{4} \right\rbrack Br$ and 0.4 mol of $\left\lbrack Co\left( {NH}_{3} \right)_{5}Br \right\rbrack{SO}_{4}$ in water to make 4 L of solution. When 2 L of mixture ' X ' is allowed to react with excess of ${AgNO}_{3}$, it forms precipitate ' Y '. The rest 2 L of mixture ' X ' reacts with excess ${BaCl}_{2}$ to form precipitate ' $Z$ '. Which of the following statements is CORRECT.
Options
Solution
$0.4\text{ }mol\left\lbrack Co\left( {NH}_{3} \right)_{5}{SO}_{4} \right\rbrack Br + 0.4\text{ }mol\left\lbrack Co\left( {NH}_{3} \right)_{5}Br \right\rbrack{SO}_{4}$ are present in 4 lit. solution.
2 lit. of mixture will contain 0.2 mol of each complex.
2 lit. mixture on reaction with excess ${AgNO}_{3},0.2$ mole AgBr will be formed (Y).
2 lit. mixture on reaction with excess ${BaCl}_{2},0.2$ mole ${BaSO}_{4}$ will be formed (Z).
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