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GUJCET · Chemistry · Coordination Compounds
Which of the following pairs of complexes whose aqueous solutions gives pale yellow and white precipitates respectively with \(0.1 M AgNO _3\) ?
- A \(\left[ Pt \left( NH _3\right)_4 Br _2\right] Cl _2\) and \(\left[ Pt \left( NH _3\right)_4 Cl _2\right] Br _2\)
- B \(\left[ Co \left( NH _3\right)_5 NO _3\right] Br\) and \(\left[ Co \left( NH _3\right)_5 Br \right] NO _3\)
- C \(\left[ Pt \left( NH _3\right)_4 Cl _2\right] Br _2\) and \(\left[ Pt \left( NH _3\right)_4 Br _2\right] Cl _2\)
- D \(\left[ Co \left( NH _3\right)_5 NO _3\right] Cl\) and \(\left[ Co \left( NH _3\right)_5 Cl \right] NO _3\)
Answer & Solution
Correct Answer
(C) \(\left[ Pt \left( NH _3\right)_4 Cl _2\right] Br _2\) and \(\left[ Pt \left( NH _3\right)_4 Br _2\right] Cl _2\)
Step-by-step Solution
Detailed explanation
\(\left[ Pt \left( NH _3\right)_4 Cl _2\right] Br _2 \xrightarrow{AgNO_3} 2AgBr \text{ (pale yellow)}\) \(\left[ Pt \left( NH _3\right)_4 Br _2\right] Cl _2 \xrightarrow{AgNO_3} 2AgCl \text{ (white)}\)
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