Chemistry · Coordination Compounds
Two test tubes A and B were filled with a coordination complex derived from CoCl3 and NH3. In test tube A, treating the complex with excess AgNO3 solution yields 3 moles of AgCl white precipitate per mole of the complex, and the solution turns deep purple. Both samples conduct electricity. What is the expected formula of the complex formed in test tube A?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1[Co(NH3)4Cl2]Cl
- 2[Co(NH3)5Cl]Cl2
- 3[CoCl3(NH3)3]
- 4[Co(NH3)6]Cl3✓
Correct answer
[Co(NH3)6]Cl3
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