The correct order of the stoichiometries of AgCl formed when AgNO_3 in excess is treated with the complexes: CoCl_3 × 6NH_3, CoCl_3 × 5NH_3, CoCl_3 × - Chemistry MCQ NEET (UG) 2017 2026 | ExamTest.live

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The correct order of the stoichiometries of AgCl formed when AgNO_{3} in excess is treated with the complexes: CoCl_{3} \cdot 6 NH_{3}, CoCl_{3} \cdot 5 NH_{3}, CoCl_{3} \cdot 4 NH_{3} respectively is:

Solution & Step-by-step Explanation

Based on coordination theory: CoCl_{3} \cdot 6 NH_{3} \to [Co(NH_{3})_{6}] Cl_{3} (3 ionisable Cl^{-}) \to 3 AgCl CoCl_{3} \cdot 5 NH_{3} \to [Co(NH_{3})_{5} Cl] Cl_{2} (2 ionisable Cl^{-}) \to 2 AgCl CoCl_{3} \cdot 4 NH_{3} \to [Co(NH_{3})_{4} Cl_{2}] Cl (1 ionisable Cl^{-}) \to 1 AgCl

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The correct order of the stoichiometries of AgCl formed when AgNO_{3} in excess is treated with the complexes: CoCl_{3} \cdot 6 NH_{3}, CoCl_{3} \cdot 5 NH_{3}, CoCl_{3} \cdot 4 NH_{3} respectively is:

3 AgCl, 1 AgCl, 2 AgCl

3 AgCl, 2 AgCl, 1 AgCl

2 AgCl, 3 AgCl, 1 AgCl

1 AgCl, 3 AgCl, 2 AgCl

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