(a) Steady current of 2 amperes was passed through two electrolytic cells X and Y connected in series containing electrolytes FeSO_{4} and ZnSO_{4} untill 2.8g of Fe deposited at the cathode of cell X. How long did the current flow? Calculate the mass Zn deposited at the cathode of cell Y.

(molar mass : Fe = 56 g mol-1, Zn = 65.3 g mol-1, 1F = 96500C mol-1)

(b) In the plot of molar conductivity(\wedge _{m}) vs square root concentration (c^{\frac{1}{2}}), following curves are obtained for two electrolytes A and B:

Answer the following:

(i) Predict the nature of electrolyte A and B.

(ii) What happens on extrapolation of \wedge _{m} to concentration approaching zero for electrolytes A and B?

 

 

 

 
 
 
 
 

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