New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Electrochemistry question

2025 · 22 Jan · Shift 2 · Q2

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Chemistry
Electrochemistry
2025 · 22 Jan · Shift 2 · Q2

Electrochemistry question

2025 · 22 Jan · Shift 2 · Q2

JEE MainChemistryElectrochemistryMCQ+4 / −1

Given below are two statements : Statement (I) : Corrosion is an electrochemical phenomenon in which pure metal acts as an anode and impure metal as a cathode. Statement (II) : The rate of corrosion is more in alkaline medium than in acidic medium. In the light of the above statements, choose the correct answer from the options given below :

A
Both Statement I and Statement II are true
B
Both Statement I and Statement II are false
C
Statement I is true but Statement II is false
D
Statement I is false but Statement II is true

More from Electrochemistry

$FeO_{4}^{2 -} + 2.0 V Fe^{3 +} 0.8 V Fe^{2 +} - 0.5 V Fe^{0}$ In the above diagram, the standard electrode potentials are given in volts…2025 · MCQ
Standard electrode potentials for a few half cells are mentioned below : $E_{Cu^{2 +} / Cu}^{\circ} = 0.34 V, E_{Zn^{2 +} / Zn}^{\circ} = - 0.76 V E_{Ag^{+} / Ag}^{\circ} = 0.80 V, E_{Mg^{2 +} / Mg}^{\circ} = - 2.37 V$ …2025 · MCQ
For the given cell $Fe^{2 +} (aq) + Ag_{(aq)}^{+} \to Fe^{3 +} (aq) + Ag_{(s)}$ The standard cell potential of the above reaction is Given: $Ag^{+} + e^{-} \to Ag Fe^{2 +} + 2 e^{-} \to Fe Fe^{3 +} + 3 e^{-} \to Fe E^{θ} = xV E^{θ} = yV E^{θ} = zV$ …2025 · MCQ
Based on the data given below : $E_{Cr_{2} O_{7}^{2 -} / Cr^{3 +}}^{\circ} = 1.33 V E_{MnO_{4}^{-} / Mn^{2 +}}^{0} = 1.51 V E_{Cl_{2} / Cl^{(-)}}^{\circ} = 1.36 V E_{Cr^{3 +} / Cr}^{\circ} = - 0.74 V$ …2025 · MCQ
Given below is the plot of the molar conductivity vs $concentration$ for KCl in aqueous solution. If, for the higher concentration of KCl solution, the resistance of the conductivity cell is $100Ω$ , then the… Includes diagram2025 · Numerical
Electrolysis of 600 mL aqueous solution of NaCl for 5 min changes the pH of the solution to 12 . The current in Amperes used for the given electrolysis is . (Nearest integer).2025 · Numerical
The standard reduction potential values of some of the p-block ions are given below. Predict the one with the strongest oxidising capacity.2025 · MCQ
For a $M g$ | $M g^{2 +}$ (aq) || $A g^{+}$ (aq) | $A g$ the correct Nernst Equation is :2025 · MCQ