Which of the following reactions is a decomposition redox reaction?
- A$2Pb(NO_3)_{2(s)} \longrightarrow 2PbO_{(s)} + 4NO_{2(g)} + O_{2(g)}$
- B$N_{2(g)} + O_{2(g)} \longrightarrow 2NO_{(g)}$
- C$Cl_{2(g)} + 2OH^{-}_{(aq)} \longrightarrow ClO^{-}_{(aq)} + Cl^{-}_{(aq)} + H_2O(\ell)$
- D$P_{4(s)} + 3OH^{-}_{(aq)} + 3H_2O(\ell) \longrightarrow PH_{3(g)} + 3H_2PO_2^-(aq)$
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Similar Questions
$KMnO_4$ oxidises $C_2H_2O_4$ to form $CO_2$. In which of the following,the reaction will be faster?
DifficultTS EAMCET 2020
View SolutionSuggest a scheme of classification of the following redox reactions:
$(a) N_{2(g)} + O_{2(g)} \rightarrow 2NO_{(g)}$
$(b) 2Pb(NO_3)_{2(s)} \rightarrow 2PbO_{(s)} + 4NO_{2(g)} + O_{2(g)}$
$(c) NaH_{(s)} + H_2O_{(l)} \rightarrow NaOH_{(aq)} + H_{2(g)}$
$(d) 2NO_{2(g)} + 2OH^{-}_{(aq)} \rightarrow NO_2^-(aq) + NO_3^-(aq) + H_2O_{(l)}$
$(a) N_{2(g)} + O_{2(g)} \rightarrow 2NO_{(g)}$
$(b) 2Pb(NO_3)_{2(s)} \rightarrow 2PbO_{(s)} + 4NO_{2(g)} + O_{2(g)}$
$(c) NaH_{(s)} + H_2O_{(l)} \rightarrow NaOH_{(aq)} + H_{2(g)}$
$(d) 2NO_{2(g)} + 2OH^{-}_{(aq)} \rightarrow NO_2^-(aq) + NO_3^-(aq) + H_2O_{(l)}$
Medium
View SolutionWhen $SO_2$ gas is passed through an acidified solution of $K_2Cr_2O_7$,the solution turns........
Easy
View SolutionIf stoichiometric quantities of a $KMnO_4$ and $K_2Cr_2O_7$ mixture are added for the oxidation of $Fe^{2+}$ to $Fe^{3+}$ in an acidic medium,then $Fe^{2+}$ will be oxidized:
Assign $A$,$B$,$C$,$D$ from the given type of reaction.
$FeCl_3 + Na_3PO_4 \longrightarrow FePO_4 \downarrow + 3NaCl$
$FeCl_3 + Na_3PO_4 \longrightarrow FePO_4 \downarrow + 3NaCl$
Medium
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