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 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 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 are correct about the reaction, FeS_(2)+O_(2)rarrFe_(2)O_(3)+SO_(2)

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

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

The following reaction is a/an Ba(OH)_(2)+H_(2)SO_(4) to BaSO_(4)+2H_(2)O

Which of the following statements is not correct? 1.\(Zn+CuSO_{4}(aq)\rightarrow\) reaction occurs II. \(Zn+Al{2}(SO_{4})_{3}(aq)\rightarrow\)reaction does not occur III.\(Zn+AgNO_{3}(aq)\rightarrow\)reaction occurs IV.\(Zn+PbNO_{3}(aq)\rightarrow\) reaction does not occur

Balancing the following redox reactions by ion-electron method. \(MnO_{4}^{-1}+SO_{2} (g) \rightarrow Mn^{2+}+HSO_{4}^{-}\) ( in Acid medium )