1.

whatis the molarconductivity of Aglat zeroconcentrationif the ^^_(0) valuesof NaI, AgNO_(3)and NaNO_(3) arerespectively126.9 Omega^(-1) cm^(2)mol^(-1),133.4 Omega^(-1) cm^(2) mol^(-1)and121.5 Omega^(-1) cm^(2)mol^(-1)

Answer»


Solution :Given : `E_(C1_(2))^(0)= 1.36 V , E_(Ni_(2+)//Ni)^(0)= - 0.25 N,`
`E_("Cell ")^(0)=?`
`Ni_((s))|Ni^(2+) (1M) "||" C1^(-) (1M)| C1_(2(G)) (1 atm) |Pt`
`((" At LHE " Ni_((s)) to Ni_((ag)^(2+)+ 2e^(-)))/(" At RHE(.(1)/(2) C1_(2(g))+ E^(-) to C1^(-)_(ag))xx2))/(Ni_((s) + C1_(2(g)) ) to Ni_((ag))^(2+) + 2C1_((ag))^(-))`
Thestandardemf isgiven by
`E_(" Cell ) ^(0)= E_(cathode)^(0)- E_(ANODE)^(0)`
`=E_(C1_(2)//C1^(-))^(0) -E_(Ni^(2+)//Ni)^(0)`
`= 1.36- (-0.25)`
`=1.36+ 0. 25 = 1.61 V`


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