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

Electrochemistry question

2009 · Shift 2 · Q5
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Advanced
  3. /Chemistry
  4. /Electrochemistry
  5. /2009 · Shift 2 · Q5

Electrochemistry question

2009 · Shift 2 · Q5

JEE AdvancedChemistryElectrochemistryMultiple correct+4 / −2
For the reduction of NO 3−{}_3^ -3−​ ion in an aqueous solution, E 0{}^00 is + 0.96 V. Values of E 0{}^00 for some metal ions are given below: V2+(aq.)+2e−→VE0=−1.19 VFe3+(aq.)+3e−→FeE0=−0.04 VAu3+(aq)+3e−→AuE0=+1.40 VHg2+(aq)+2e−→HgE0=+0.86 V\begin{matrix} {{V^{2 + }}(aq.) + 2{e^ - } \to V} & {{E^0} = - 1.19\,V} \\ {F{e^{3 + }}(aq.) + 3{e^ - } \to Fe} & {{E^0} = - 0.04\,V} \\ {A{u^{3 + }}(aq) + 3{e^ - } \to Au} & {{E^0} = + 1.40\,V} \\ {H{g^{2 + }}(aq) + 2{e^ - } \to Hg} & {{E^0} = + 0.86\,V} \\ \end{matrix}V2+(aq.)+2e−→VFe3+(aq.)+3e−→FeAu3+(aq)+3e−→AuHg2+(aq)+2e−→Hg​E0=−1.19VE0=−0.04VE0=+1.40VE0=+0.86V​ The pair(s) of metals that is (are) oxidized by NO 3−{}_3^ -3−​ in aqueous solution is(are)
  1. A
    V and Hg
  2. B
    Hg and Fe
  3. C
    Fe and Au
  4. D
    Fe and V
PreviousNext

More from Electrochemistry

  • Electrolysis of dilute aqueous NaCl solution was carried out by passing 10 milli ampere current. The time required to liberate 0.01 mol of H 2​ gas at the cathode is (1 Faraday = 96500 C mol −1].2008 · MCQ
  • Chemical reactions involve interaction of atoms and molecules. A large number of atoms/molecules (approximately 6.023 × 10 23) are present in a few grams of any chemical compound varying with their atomic/molecular masses. To…2007 · MCQ
  • Chemical reactions involve interaction of atoms and molecules. A large number of atoms/molecules (approximately 6.023 × 10 23) are present in a few grams of any chemical compound varying with their atomic/molecular masses. To…2007 · MCQ
  • Chemical reactions involve interaction of atoms and molecules. A large number of atoms/molecules (approximately 6.023 × 10 23) are present in a few grams of any chemical compound varying with their atomic/molecular masses. To…2007 · MCQ
  • In an electrochemical cell, dichromate ions in aqueous acidic medium are reduced to Cr3+. The current (in amperes) that flows through the cell for 48.25 minutes to produce 1 mole of Cr3+ is ​. Use: 1…2025 · Numerical
  • An electrochemical cell is fueled by the combustion of butane at 1 bar and 298 K . Its cell potential is FX​×103 volts, where F is the Faraday constant. The value of X is ​…2025 · Numerical
  • In a conductometric titration, small volume of titrant of higher concentration is added stepwise to a larger volume of titrate of much lower concentration, and the conductance is measured after each addition. The limiting ionic… Includes table Includes diagram2024 · MCQ
  • An aqueous solution of hydrazine (N2​H4​) is electrochemically oxidized by O2​, thereby releasing chemical energy in the form of electrical energy. One of the products generated from the…2024 · Multiple correct