(A) In oxalic acid $(H_{2}C_{2}O_{4})$,the oxidation state of carbon is $+3$.In carbon dioxide $(CO_{2})$,the oxidation state of carbon is $+4$.The ch

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(A) In oxalic acid $(H_{2}C_{2}O_{4})$,the oxidation state of carbon is $+3$.In carbon dioxide $(CO_{2})$,the oxidation state of carbon is $+4$.The change in oxidation number of carbon is $|4 - 3| = 1$.The balanced chemical equation is: $2KMnO_{4} + 5H_{2}C_{2}O_{4} + 3H_{2}SO_{4} \rightarrow K_{2}SO_{4} + 2MnSO_{4} + 10CO_{2} + 8H_{2}O$.

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

Medium

In the titration of $KMnO_{4}$ and oxalic acid in acidic medium,the change in oxidation number of carbon at the end point is

JEE MAIN 2022 All JEE MAIN

A
$1$
B
$0$
C
$2$
D
$3$

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Redox reaction and Method for balancing Redox reaction

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In the titration of $KMnO_{4}$ and oxalic acid in acidic medium,the change in oxidation number of carbon at the end point is

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Assign $A, B, C, D$ from the given type of reaction.$2NaI + 2H_2SO_4 \,(Conc.) \longrightarrow Na_2SO_4 + I_2 + SO_2 + 2H_2O$

For the balanced redox reaction $aZn + b \, HNO_3 \to c \, Zn(NO_3)_2 + d \, NH_4NO_3 + 3H_2O$,the value of $b$ is:

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Assign $A, B, C, D$ from the given type of reaction.
$2NaI + 2H_2SO_4 \,(Conc.) \longrightarrow Na_2SO_4 + I_2 + SO_2 + 2H_2O$

Assign $A, B, C, D$ from the given type of reaction.
$MnSO_4 + Sr(NO_3)_2 \longrightarrow SrSO_4 \downarrow + Mn(NO_3)_2$