Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Redox Reactions question

2022 · 26 Jun · Shift 2 · Q5
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Redox Reactions
  5. /2022 · 26 Jun · Shift 2 · Q5

Redox Reactions question

2022 · 26 Jun · Shift 2 · Q5

JEE MainChemistryRedox ReactionsMCQ+4 / −1
Which one of the following is an example of disproportionation reaction ?
  1. A
    3MnO42−+4H+→2MnO4−+MnO2+2H2O3MnO_4^{2 - } + 4{H^ + } \to 2MnO_4^ - + Mn{O_2} + 2{H_2}O3MnO42−​+4H+→2MnO4−​+MnO2​+2H2​O
  2. B
    MnO4−+4H++4e−→MnO2+2H2OMnO_4^ - + 4{H^ + } + 4{e^ - } \to Mn{O_2} + 2{H_2}OMnO4−​+4H++4e−→MnO2​+2H2​O
  3. C
    10I−+2MnO4−+16H+→2Mn2++8H2O+5I210{I^ - } + 2MnO_4^ - + 16{H^ + } \to 2M{n^{2 + }} + 8{H_2}O + 5{I_2}10I−+2MnO4−​+16H+→2Mn2++8H2​O+5I2​
  4. D
    8MnO4−+3S2O32−+H2O→8MnO2+6SO42−+2OH−8MnO_4^ - + 3{S_2}O_3^{2 - } + {H_2}O \to 8Mn{O_2} + 6SO_4^{2 - } + 2O{H^ - }8MnO4−​+3S2​O32−​+H2​O→8MnO2​+6SO42−​+2OH−
PreviousNext

More from Redox Reactions

  • The normality of H2​SO4​ in the solution obtained on mixing 100 mL of 0.1MH2​SO4​ with 50 mL of 0.1MNaOH is ​…2022 · Numerical
  • 0.01 M KMnO4​ solution was added to 20.0 mL of 0.05 M Mohr's salt solution through a burette. The initial reading of 50 mL burette is zero. The volume of KMnO4​ solution left in the burette after the end point is ​…2022 · Numerical
  • A compound 'X' is a weak acid and it exhibits colour change at pH close to the equivalence point during neutralization of NaOH with CH3​COOH. Compound 'X' exists in ionized form in basic medium. The compound 'X' is2022 · MCQ
  • Statement I : Sodium hydride can be used as an oxidising agent. Statement II : The lone pair of electrons on nitrogen in pyridine makes it basic. Choose the CORRECT answer from the options given below :2021 · MCQ
  • The oxidation states of nitrogen in NO, NO2​, N2​O and NO 3−​ are in the order of :2021 · MCQ
  • 0.4 g mixture of NaOH, Na2​CO3​ and some inert impurities was first titrated with 10N​ HCl using phenolphthalein as an indicator, 17.5 mL of HCl was required at the end point. After this methyl orange was added and…2021 · Numerical
  • Identify the process in which change in the oxidation state is five :2021 · MCQ
  • Dichromate ion is treated with base, the oxidation number of Cr in the product formed is ​.2021 · Numerical