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

2020 · 2 Sep · Shift 2 · Q4
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Redox Reactions
  5. /2020 · 2 Sep · Shift 2 · Q4

Redox Reactions question

2020 · 2 Sep · Shift 2 · Q4

JEE MainChemistryRedox ReactionsNumerical+4 / −1
The oxidation states of transition metal atoms in K2Cr2O7K_2Cr_2O_7K2​Cr2​O7​, KMnO4KMnO_4KMnO4​ and K2FeO4K_2FeO_4K2​FeO4​, respectively, are x, y and z. The sum of x, y and z is ‾\underline{\hspace{2cm}}​.
Numerical answer
PreviousNext

More from Redox Reactions

  • A 100 mL solution was made by adding 1.43 g of Na2​CO3​.xH2​O. The normality of the solution is 0.1 N. The value of x is ​. (The atomic mass of Na is 23 g/mol)2020 · Numerical
  • The volume, in mL, of 0.02 M K2​Cr2​O7​ solution required to react with 0.288 g of ferrous oxalate in acidic medium is ​. (Molar mass of Fe = 56 g mol–1)2020 · Numerical
  • Oxidation number of potassium in K2​O. K2​O2​ and KO2​ respectively is :2020 · MCQ
  • The redox reaction among the following is :2020 · MCQ
  • The compound that cannot act both as oxidising and reducing agent is :2020 · MCQ
  • In order to oxidise a mixture of one mole of each of FeC2​O4​, Fe2​(C2​O4​)3​, FeSO4​ and Fe2​(SO4​)3​ in acidic medium, the number of moles of KMnO4​ required is :2019 · MCQ
  • The correct order of the oxidation states of nitrogen in NO, N2​O, NO2​ and N2​O3​ is :2019 · MCQ
  • In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of CO2​ is :2019 · MCQ