if magnetic mement is 3.83 BM then it contain three unpaired electrons. It means chromium in \(+3\) oxidation state so molecular formula is
\(\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6} \mathrm{Cl}_{3}\)
This formula have following isomers
(a) \(\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{3}:\) react with \(\mathrm{AgNO}_{3}\) but does not show geometrical isomerism.
(b) \(\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{5} \mathrm{Cl}\right] \mathrm{Cl}_{2} \cdot \mathrm{H}_{2} \mathrm{O}\) react with \(\mathrm{AgNO}_{3}\) but does not show geometrical isomerism.
(c) \(\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Cl} .2 \mathrm{H}_{2} \mathrm{O}\) react with \(\mathrm{AgNO}_{3}\) and show geometrical isomerism.
(d) \(\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{3} \mathrm{Cl}_{3}\right] .3 \mathrm{H}_{2} \mathrm{O}\) does not react with \(\mathrm{AgNO}_{3}\) and show geometrical isomerism.
\(\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{4} \mathrm{Cl}_{2}\right] \mathrm{Cl} .2 \mathrm{H}_{2} \mathrm{O}\) react with \(\mathrm{AgNO}_{3}\) and show geometrical isomerism and it's IUPAC nomenclature is \(\quad\) Tetraaquadichlorido chromium (III) Chloride dihydrate.
$2$ દ્રાવણ માં બનાવવામાં આવ્યું હતું:
મિશ્રણ $X$નું $1$ લિટર $+$ વધારે પડતાં $AgNO_3 \to Y$
મિશ્રણ $X$નું $1$ લિટર $+$ વધારે પડતાં $Ba Cl_2 \to Z$
$Y$ અને $Z$ના મોલની સંખ્યા અનુક્રમે........
કૉલમ$-I$ | કૉલમ$-II$ |
$(a)\;Co^{+3}$ | $(i)\;\sqrt{8}\; B.M.$ |
$(b)\;Cr^{+3}$ | $(ii)\;\sqrt{35}\; B.M.$ |
$(c)\;Fe^{+3}$ | $(iii)\;\sqrt{3}\; B.M.$ |
$(d)\;Ni^{+2}$ | $(iv)\;\sqrt{24}\; B.M.$ |
$(v)\;\sqrt{15}\; B.M.$ |
$(a)\quad (b)\quad (c)\quad (d)$