When a mixture of Cu_(2)S and CuSis titrated with Al(MnO_4)_3in acidic medium, the oxidation product of Cu_(2)S and CuSare Cu^(+2) and SO_2 . If the molecular weight of Cu_(2)S, CuS and Al(MnO_(4))_3 , be M_1 ,M_2 and M_3respectively, then which of the following statement are correct?

When a mixture of Cu_(2)S and CuSis titrated with Al(MnO_4)_3in acidic

1.	When a mixture of Cu_(2)S and CuSis titrated with Al(MnO_4)_3in acidic medium, the oxidation product of Cu_(2)S and CuSare Cu^(+2) and SO_2 . If the molecular weight of Cu_(2)S, CuS and Al(MnO_(4))_3 , be M_1 ,M_2 and M_3respectively, then which of the following statement are correct?
Answer» EQUIVALENT weight of `Cu_2S` is `M_1//8` Equivalent weight of Cus is `M_(2)//5 ` Equivalent weight of `Al(Mn_(4))_3`is `M_(3)//5 ` Equivalent weight of `Al(MnO_4)_3` , is `M_3//15` Solution :n - factors for `Cu_(2)Srarr8` n - factor for `CuS RARR 6` n-factor for `Al(MnO_4)_3 rarr 15`