JEE Mains 31-Jan-2023 Shift 1 Solved Paper

Section: Chemistry

Question : 37 of 90

Marks: +1, -0

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

[31-Jan-2023 Shift 1]

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

Validate

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