Which of the followings are disproportionation reactions?
(A) \(2O_{3} \rightarrow 3O_{2}\)
(B) \(KClO_{3} \rightarrow 3KClO_{4}+KCl\)
(C)\(2H_{2}O_{2}\rightarrow2H_{2}O+O_{2}\)
(D) \(2KO_{2}+2H_{2}O\rightarrow4KOH+3O_{2}\)

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

Which of the following reaction is called redox reaction? \(CaCO_{3}\rightarrow CaO+CO_{2}\) \(MgO+2HCl \rightarrow MgCl_{2}+2H_{2}O\) \(NaOH+HCl \rightarrow NaCl+H_{2}O\) \(H_{2}+I_{2}\rightarrow 2HI\)

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 reaction show the reducing property of hydrochloricacid? \(ZnCO_{3}+2HCl \rightarrow ZnCl_{2}+H_{2}O+CO_{2}\) \(Mg+2HCl \rightarrow MgCl_{2}+H_{2}\) \(MnO_{2}+4HCl\rightarrow MnCl_{2}+2H_{2}O+Cl_{2}\) \(NH_{4}OH+HCl\rightarrow NH_{4}Cl+H_{2}O\)

Which rate equation is correct for reaction \(H_{2}O_{2}\rightarrow H_{2}O+\frac{1}{2}O_{2}\)

What is the n -factor for \(I_{2}\) in this reaction? \(I_{2}+OH^{-} \rightarrow IO_{3}^{-}+I^{-}+H_{2}O\)

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

In the following disproportionation of Cl_(2) in basic medium Cl_(2)+2KOH rarr KCl+KClO+H_(2)O Equivalent mass of Cl_(2) is

Balance the following reaction by ion electron method. Cr_(2)O_(7)^(-2)+SO_(3)^(-2) rightarrow Cr^(3+)+SO_(4)^(-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