\(Fe_{2}S_{3}+O_{2}\rightarrow FeSO_{4}+SO_{2}\). Equivalent weight of \(Fe_{2}S_{3}\)

Suppose molecular weight of \(As_{2}S_{3}\) is M and the equivalent weight of \(As_{2}S_{3}\) in the reaction \(As_{2}S_{3}+H^{+}+NO_{3}^{-}\rightarrow NO+H_{2}O+AsO_{4}^{3-}+SO_{4}^{2-}\) is \(\frac{M}{14\times p}\) .Then 'p'=

The equivalent weight of iron in Fe_(2)O would be:

\(FeC_{2}O_{4}+KMnO_{4}+H_{2}SO_{4}\rightarrow Fe_{2}(SO_{4})_{3}+CO_{2}+MnSO_{4}\)The "n" - factor for \(FeC_{2}O_{4}\) in the above reaction is:

Which of the following reaction cannot change \(SO_{2}\rightarrow SO_{4}^{2-}\)? \(SO_{2}+MnO_{4}^{-}\rightarrow\) \(SO_{2}+Cr_{2}O_{7}^{2-}\) \(SO_{2}+Fe^{3+}\rightarrow\) \(SO_{2}+Ba(OH)_{2}\rightarrow\)

Which of the following is a disproportionation reaction \(4Zn+10HNO_{3}\rightarrow4Zn(NO_{3})_{2}+NH_{4}NO_{3}+3H_{2}O\) \(2KBr+3H_{2}SO_{4}\rightarrow2KHSO_{4}+SO_{2}+Br_{2}+2H_{2}O\)\(2KMnO_{4}+5H_{2}S+4H_{2}SO_{4}\rightarrow2KHSO_{4}+2MnSO_{4}+5S+8H_{2}O\),\(S_{8}+NaOH \rightarrow Na_{2}S_{5}+Na_{2}S_{2}O_{3}+H_{2}\)

The equivalent weight of hypo in the reaction (M=M" .Wt) \(2Na_{2}S_{2}O_{3}+I_{2} \rightarrow 2NaI+Na_{2}S_{4}O_{6}\) is

FeS+KMnO_(4)+H_(2)SO_(4)rarr Fe_(2)(SO_(4))_(3)+K_(2)SO_(4) . The equivalent mass FeS in the above reaction is :