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

Electrochemistry question

2024 · Q109
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Chemistry
  4. /Electrochemistry
  5. /2024 · Q109

Electrochemistry question

2024 · Q109

NEETChemistryElectrochemistryMCQ+4 / −1

From the following select the one which is not an example of corrosion.

  1. A
    Rusting of iron object
  2. B
    Production of hydrogen by electrolysis of water
  3. C
    Tarnishing of silver
  4. D
    Development of green coating on copper and bronze ornaments
PreviousNext

More from Electrochemistry

  • The standard cell potential of the following cell Zn​Zn2+(aq)​Fe2+(aq)∣Fe is 0.32 V. Calculate the standard Gibbs energy change for the reaction: Zn(s)+Fe2+(aq)→Zn2+(aq)+Fe(s)…2024 · MCQ
  • The EΘ values for ​Al+/Al=+0.55 V and Tl+/Tl=−0.34 VAl3+/Al=−1.66 V and T3+/Tl=+1.26 V​…2023 · MCQ
  • Molar conductance of an electrolyte increase with dilution according to the equation: Λm​=Λm∘​−Ac​ Which of the following statements are true? (A) This equation applies…2023 · MCQ
  • The correct value of cell potential in volt for the reaction that occurs when the following two half cells are connected, is ​Fe(aq)2+​+2e−→Fe(s),E∘=−0.44 VCr2​O72−​ (aq) +14H++6e−→2Cr3++7H2​OE∘=+1.33 V​…2023 · MCQ
  • The conductivity of centimolar solution of KCl at 25∘C is 0.0210 ohm−1 cm−1 and the resistance of the cell containing the solution at 25∘C is 60 ohm…2023 · MCQ
  • Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A : In equation Δr​G=−nFEcell​, value of Δr​G depends on n. Reason R : Ecell​…2023 · MCQ
  • Standard electrode potential for the cell with cell reaction Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s) is 1.1 V. Calculate the standard Gibbs energy change for the cell reaction. (Given F = 96487 C mol−1)2022 · MCQ
  • Two half cell reactions are given below. Co3++e−→Co2+,ECo2+/Co3+0​=−1.81V 2Al3++6e−→2Al(s),EAl/Al3+0​=+1.66V The standard EMF…2022 · MCQ