1.

Write the balanced redox reaction and calculate the equivalent weight of oxidising agent and reducing agent for titration of K_(2)Cr_(2)O_(7) Vs Ferrous ammonium sulphate.

Answer»

Solution :The reaction : `6[FeSO_(4)(NH_(4))_(2)SO_(4).6H_(2)O]+K_(2)Cr_(2)O_(7)+7H_(2)SO_(4)rarr3Fe_(2)(SO_(4))_(3)+K_(2)SO_(4)+6(NH_(4))_(2)SO_(4)+43H_(2)O`
REDOX changes : `(E_(FeSO_(4))=(M)/(6)) , (E_(K_(2)Cr_(2)O_(7))=(M)/(6))`


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