(B) When an iron rod is dipped in $CuSO_4$ solution,a displacement reaction occurs: $Fe(s) + CuSO_4(aq) \rightarrow FeSO_4(aq) + Cu(s)$.Since $Fe$ is

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Brown layer is deposited on iron rod

(B) When an iron rod is dipped in $CuSO_4$ solution,a displacement reaction occurs: $Fe(s) + CuSO_4(aq) \rightarrow FeSO_4(aq) + Cu(s)$.Since $Fe$ is more reactive than $Cu$,it displaces $Cu$ from the solution.The $Cu$ metal gets deposited on the iron rod as a brown layer.Therefore,the correct option is $B$.

Class 11 Chemistry Redox Reactions Redox reaction and Method for balancing Redox reaction

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If an iron rod is dipped in $CuSO_4$ solution,what happens?

A
Blue colour of the solution turns green
B
Brown layer is deposited on iron rod
C
No change occurs in the colour of the solution
D
Blue colour of the solution vanishes

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Redox Reactions

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Redox reaction and Method for balancing Redox reaction

Assign $A, B, C, D$ from the given type of reaction for the following chemical equation:
$3Fe_{(s)} + 4H_2O_{(g)} \xrightarrow{\Delta} Fe_3O_{4(s)} + 4H_{2(g)}$

Medium

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Consider the following reaction:
$xMnO_4^{-} + yC_2O_4^{2-} + zH^{+} \rightarrow xMn^{2+} + 2yCO_2 + \frac{z}{2}H_2O$
The values of $x, y$ and $z$ in the reaction are,respectively:

MediumAIEEE 2012

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$C +$ Conc. $H_2SO_4 \xrightarrow{\Delta} X + Y + H_2O$. $X$ and $Y$ in the above reaction are:

EasyTS EAMCET 2024

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Calculate the equivalent weight of $KMnO_4$ in acidic,basic,and neutral media.

Medium

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Assign $A, B, C, D$ from the given type of reaction.
$Mg_{(s)} + 2H_2O_{(l)} \xrightarrow{\text{Warm}} Mg(OH)_{2(aq)} + H_{2(g)} \uparrow$

Medium

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If an iron rod is dipped in $CuSO_4$ solution,what happens?

Similar Questions

Assign $A, B, C, D$ from the given type of reaction for the following chemical equation:$3Fe_{(s)} + 4H_2O_{(g)} \xrightarrow{\Delta} Fe_3O_{4(s)} + 4H_{2(g)}$

Consider the following reaction:$xMnO_4^{-} + yC_2O_4^{2-} + zH^{+} \rightarrow xMn^{2+} + 2yCO_2 + \frac{z}{2}H_2O$The values of $x, y$ and $z$ in the reaction are,respectively:

$C +$ Conc. $H_2SO_4 \xrightarrow{\Delta} X + Y + H_2O$. $X$ and $Y$ in the above reaction are:

Calculate the equivalent weight of $KMnO_4$ in acidic,basic,and neutral media.

Assign $A, B, C, D$ from the given type of reaction.$Mg_{(s)} + 2H_2O_{(l)} \xrightarrow{\text{Warm}} Mg(OH)_{2(aq)} + H_{2(g)} \uparrow$

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Assign $A, B, C, D$ from the given type of reaction for the following chemical equation:
$3Fe_{(s)} + 4H_2O_{(g)} \xrightarrow{\Delta} Fe_3O_{4(s)} + 4H_{2(g)}$

Consider the following reaction:
$xMnO_4^{-} + yC_2O_4^{2-} + zH^{+} \rightarrow xMn^{2+} + 2yCO_2 + \frac{z}{2}H_2O$
The values of $x, y$ and $z$ in the reaction are,respectively:

Assign $A, B, C, D$ from the given type of reaction.
$Mg_{(s)} + 2H_2O_{(l)} \xrightarrow{\text{Warm}} Mg(OH)_{2(aq)} + H_{2(g)} \uparrow$