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

Electrochemistry question

2022 · 25 Jul · Shift 2 · Q19
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Electrochemistry
  5. /2022 · 25 Jul · Shift 2 · Q19

Electrochemistry question

2022 · 25 Jul · Shift 2 · Q19

JEE MainChemistryElectrochemistryNumerical+4 / −1
The spin-only magnetic moment value of M3+M^{3+}M3+ ion (in gaseous state) from the pairs Cr3+Cr^{3+}Cr3+ / Cr2+Cr^{2+}Cr2+, Mn3+Mn^{3+}Mn3+ / Mn2+Mn^{2+}Mn2+, Fe3+Fe^{3+}Fe3+ / Fe2+Fe^{2+}Fe2+ and Co3+Co^{3+}Co3+ / Co2+Co^{2+}Co2+ that has negative standard electrode potential, is ‾\underline{\hspace{2cm}}​ B.M. [Nearest integer]
Numerical answer
PreviousNext

More from Electrochemistry

  • The molar conductivity of a conductivity cell filled with 10 moles of 20 mL NaCl solution is Λm1​ and that of 20 moles another identical cell heaving 80 mL NaCl solution is Λm2​. The conductivities exhibited by…2022 · MCQ
  • In a cell, the following reactions take place Fe2+→Fe3++e−2I−→I2​+2e−​EFe3+/Fe2+o​=0.77VEI2​/I−o​=0.54V​…2022 · Numerical
  • A solution of Fe2​(SO4​)3​ is electrolyzed for 'x' min with a current of 1.5 A to deposit 0.3482 g of Fe. The value of x is ​. [nearest integer] Given : 1 F = 96500 C mol − 1 Atomic mass of Fe = 56 g mol…2022 · Numerical
  • The correct order of reduction potentials of the following pairs is A. Cl2​/Cl− B. I2​/I− C. Ag+/Ag D. Na+/Na E. Li+/Li Choose the correct answer from the options given below.2022 · MCQ
  • The amount of charge in F(Faraday) required to obtain one mole of iron from Fe3​O4​ is ​. (Nearest Integer)2022 · Numerical
  • The (∂T∂E​)P​ of different types of half cells are as follows: (Where E is the electromotive force) Which of the above half cells would be preferred to be used as reference electrode? Includes table2022 · MCQ
  • Cu(s) + Sn2+ (0.001M) → Cu2+ (0.01M) + Sn(s) The Gibbs free energy change for the above reaction at 298 K is x × 10 − 1 kJ mol − 1. The value of x is ​. [nearest integer] [Given : ECu2+/CuΘ​=0.34V…2022 · Numerical
  • Given below are two statements : Statement I : For KI, molar conductivity increases steeply with dilution Statement II : For carbonic acid, molar conductivity increases slowly with dilution In the light of the above statements, choose the…2022 · MCQ