Which isomer of CrCl_3 cdot 6H_2O is green in | vedclass

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(C) The complex $[Cr(H_2O)_4Cl_2]Cl \cdot 2H_2O$ is known to be green in color.It contains one ionizable chloride ion $(Cl^-)$ outside the coordinatio

Vedclass · Accepted Answer

$[Cr(H_2O)_4Cl_2]Cl \cdot 2H_2O$

Vedclass · Answer

(C) The complex $[Cr(H_2O)_4Cl_2]Cl \cdot 2H_2O$ is known to be green in color.It contains one ionizable chloride ion $(Cl^-)$ outside the coordination sphere.When it reacts with $AgNO_3$,the ionizable $Cl^-$ reacts to form $AgCl$ precipitate:$[Cr(H_2O)_4Cl_2]Cl + AgNO_3 \rightarrow [Cr(H_2O)_4Cl_2]NO_3 + AgCl(s)$.Since only one $Cl^-$ ion is available for precipitation,it produces one mole of $AgCl$.

Which isomer of $CrCl_3 \cdot 6H_2O$ is green in color and reacts with $AgNO_3$ to form one mole of $AgCl$?

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