\(\Lambda_{ m }^{\infty}\left( BaSO _{4}\right)=\lambda_{ m }^{\infty}\left( Ba ^{2+}\right)+\lambda_{ m }^{\infty}\left( SO _{4}^{2-}\right)\)
\(\Lambda_{ m }^{\infty}\left( BaSO _{4}\right)=\Lambda_{ m }^{\infty}\left( BaCl _{2}\right)+\Lambda_{ m }^{\infty}\left( H _{2} SO _{4}\right)-2\Lambda_{ m }^{\infty}\left( HCl\right)\)
\(=280+860-2(426)\)
\(=288 \,Scm ^{2} mol ^{-1}\)
$\left(E_{A g^{+} / A g}^{0}=0.80\, V, E_{A n^{+} / A u}^{0}=1.69\, V\right)$
$Z{n^{2 + }}\,(aq)\, + \,2e\, \rightleftharpoons \,Zn\,(s)\,;\, - \,0.762\,V$
$C{r^{3 + }}\,(aq)\, + \,3e\, \rightleftharpoons \,Cr(s)\,;\, - \,0.740\,\,V$
$2{H^ + }\,(aq)\, + \,2e\, \rightleftharpoons \,{H_2}(g)\,;\,\,\,0.00\,\,\,V$
$F{e^{3 + }}\,(aq)\, + \,e\, \rightleftharpoons \,F{e^{2 + }}(aq)\,;\,\,\,0.770\,\,\,V$
નીચેનામાંથી કયો પ્રબળ રીડક્ષન કર્તા છે ?
$\left[\right.$ આપેલ : $K _{ sp }( AgBr )=4.9 \times 10^{-13}$ at $298 K$
$\lambda_{ Ag ^{+}}^0=6 \times 10^{-3} Sm ^2\,mol ^{-1}$
$\lambda_{ Br ^{-}}^0=8 \times 10^{-3} Sm ^2\,mol ^{-1}$
$\left.\lambda_{ NO _3^{-}}^0=7 \times 10^{-3} Sm ^2\,mol ^{-1}\right]$