A six coordinate complex of formula CrCl3⋅6H2O has green colour. A O.1 M solutionof the complex when treated with excess of AgNO3, gave 28.79 of white precipitate. The formula of the complex would be :
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a
CrH2O6Cl3
b
CrClH2O5Cl2⋅H2O
c
CrCl2H2O4Cl⋅2H2O
d
CrH2O3Cl3
answer is B.
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Detailed Solution
Molar mass of AgCl→143.5gm Number of moles of AgCl precipitated → 28.7143.5→0.2 moles. Complex is CrClH2O5Cl2⋅H2O.