Which of the following reactions is a metal displacement reaction? Choose the right option.
- A$2 KClO_{3} \stackrel{\Delta}{\longrightarrow} 2 KCl + 3 O_{2}$
- B$Cr_{2}O_{3} + 2 Al \stackrel{\Delta}{\longrightarrow} Al_{2}O_{3} + 2 Cr$
- C$Fe + 2 HCl \rightarrow FeCl_{2} + H_{2} \uparrow$
- D$2 Pb(NO_{3})_{2} \rightarrow 2 PbO + 4 NO_{2} + O_{2} \uparrow$
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Similar Questions
In which reaction is there a change in the oxidation state?
Medium
View SolutionWhat is formed when Iodine is absorbed by hypo solution?
Medium
View SolutionConsider the following equations:
$2 Fe^{2+} + H_2O_2 \rightarrow x A + y B$
(in basic medium)
$2 MnO_4^{-} + 6 H^{+} + 5 H_2O_2 \rightarrow x' C + y' D + z' E$
(in acidic medium)
The sum of the stoichiometric coefficients $x, y, x', y'$ and $z'$ for products $A, B, C, D$ and $E,$ respectively,is............
$2 Fe^{2+} + H_2O_2 \rightarrow x A + y B$
(in basic medium)
$2 MnO_4^{-} + 6 H^{+} + 5 H_2O_2 \rightarrow x' C + y' D + z' E$
(in acidic medium)
The sum of the stoichiometric coefficients $x, y, x', y'$ and $z'$ for products $A, B, C, D$ and $E,$ respectively,is............
DifficultJEE MAIN 2020
View SolutionAssign $A, B, C, D$ from the given type of reaction.
$MnSO_4 + Sr(NO_3)_2 \longrightarrow SrSO_4 \downarrow + Mn(NO_3)_2$
$MnSO_4 + Sr(NO_3)_2 \longrightarrow SrSO_4 \downarrow + Mn(NO_3)_2$
Medium
View SolutionIdentify the elements undergoing reduction and oxidation respectively in the following redox reaction.
$3 H_3AsO_{3(aq)} + BrO_{3(aq)}^{-} \rightarrow Br_{(aq)}^{-} + 3 H_3AsO_{4(aq)}$
$3 H_3AsO_{3(aq)} + BrO_{3(aq)}^{-} \rightarrow Br_{(aq)}^{-} + 3 H_3AsO_{4(aq)}$
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