Cobalt chloride when dissolved in water forms pink colored complex X which has octahedral…
Chemistry · JEE Main · NTA Exams — Coordination Compounds
Cobalt chloride when dissolved in water forms pink colored complex X which has octahedral geometry. This solution on treating with cone HCl forms deep blue complex, Y which has a Z geometry. X, Y and Z, respectively, are (Jee Main 2023)
- X = [Co(H2O)6]2+, Y = [CoCl4]2– , Z = Tetrahedral
- X = [Co(H2O6)]2+, Y = [CoCl6]3–, Z = Octahedral
- X = [Co(H2O)6]3+, Y = [CoCl6]3–, Z = Octahedral
- X = [Co(H2O)4Cl2]+, Y = [CoCl4]2–, Z = Tetrahedral
Answer
(A) X = [Co(H 2 O) 6 ] 2+ , Y = [CoCl 4 ] 2– , Z = Tetrahedral
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