(D) In the given reaction,the oxidation state of $Br$ in $Br_2$ is $0$. In the products,$Br$ exists as $Br^-$ (oxidation state $-1$) and $BrO_3^-$ (ox

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Bromine is both reduced and oxidised

(D) In the given reaction,the oxidation state of $Br$ in $Br_2$ is $0$. In the products,$Br$ exists as $Br^-$ (oxidation state $-1$) and $BrO_3^-$ (oxidation state $+5$). Since the oxidation state of $Br$ decreases from $0$ to $-1$ (reduction) and increases from $0$ to $+5$ (oxidation),$Br_2$ is undergoing both oxidation and reduction. This is a disproportionation reaction.

Class 11 Chemistry Redox Reactions Auto oxidation and Disproportionation

Medium

Identify the correct statement for the following reaction: $3 Br_2 + 6 CO_3^{2-} + 3 H_2O \rightarrow 5 Br^{-} + BrO_3^- + 6 HCO_3^-$

MHT CET 2022 All MHT CET

A
Bromine is neither reduced nor oxidised
B
Bromine is oxidised and carbonate is reduced
C
Bromine is reduced and water is oxidised
D
Bromine is both reduced and oxidised

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Redox Reactions

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Auto oxidation and Disproportionation

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Assign $A, B, C, D$ from the given type of reaction.
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Nitrous acid was disproportionated to form water,$HNO_3$ and $X$. In another reaction,sodium nitrite was reacted with $H_2SO_4$ to form $NaHSO_4, HNO_3$,water and $Y$. What are $X$ and $Y$ respectively?

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When $Cl_2$ gas is passed through a hot and concentrated solution of $KOH$,which of the following compounds is formed?

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Identify the correct statement for the following reaction: $3 Br_2 + 6 CO_3^{2-} + 3 H_2O \rightarrow 5 Br^{-} + BrO_3^- + 6 HCO_3^-$

Similar Questions

Which of the following reactions is not a disproportionation reaction?

The reaction $2Cu^{+} \rightarrow Cu + Cu^{2+}$ is called:

Assign $A, B, C, D$ from the given type of reaction.$Hg_2(NO_3)_2 + 2NH_3(aq) + H_2O \longrightarrow Hg \downarrow + Hg(NH_2)NO_3 \downarrow + NH_4NO_3$(Note: The reaction represents the disproportionation of mercury$(I)$ nitrate with ammonia.)

Nitrous acid was disproportionated to form water,$HNO_3$ and $X$. In another reaction,sodium nitrite was reacted with $H_2SO_4$ to form $NaHSO_4, HNO_3$,water and $Y$. What are $X$ and $Y$ respectively?

When $Cl_2$ gas is passed through a hot and concentrated solution of $KOH$,which of the following compounds is formed?

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Assign $A, B, C, D$ from the given type of reaction.
$Hg_2(NO_3)_2 + 2NH_3(aq) + H_2O \longrightarrow Hg \downarrow + Hg(NH_2)NO_3 \downarrow + NH_4NO_3$
(Note: The reaction represents the disproportionation of mercury$(I)$ nitrate with ammonia.)