Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
JEE Main 202529 JanuaryMorning Shift
Exam
JEE Main
Year
2025
Date
29 January
Shift
Morning Shift
Subject
Chemistry
Chapter
Electrochemistry

JEE Main 2025 · 29 January · Morning Shift · Chemistry · Electrochemistry

The standard reduction potential values of some of the p-block ions...

The standard reduction potential values of some of the p-block ions are given below. Predict the one with the strongest oxidising capacity.

Options

  1. A(\mathrm{E}_{\mathrm{Pb}^{4+} / \mathrm{Pb}^{2+}}^{\ominus}=+1.67 \mathrm{~V})
  2. B(\mathrm{E}_{\mathrm{Sn}^{4+} / \mathrm{Sn}^{2+}}^{\ominus}=+1.15 \mathrm{~V})
  3. C(\mathrm{E}_{\mathrm{Al}^{3+} / \mathrm{Al}}^{\ominus}=-1.66 \mathrm{~V})
  4. D(\mathrm{E}_{\mathrm{Tl}^{3+}\mathrm{/Tl}}^{\ominus}=1.26 \mathrm{~V})

Correct answer

A. (\mathrm{E}_{\mathrm{Pb}^{4+} / \mathrm{Pb}^{2+}}^{\ominus}=+1.67 \mathrm{~V})

Step-by-step solution

The element having strongest oxidising capacity will have highest value of standard reduction potential
Practice Electrochemistry on Quantrex Academy →

More from Electrochemistry

At 300 K, the molar conductivities of the aqueous solutions of three salts at two… JEE Advanced 2026Given at 298 K: E^ _ Fe^ 2+ /Fe = X Volt; E^ _ Fe^ 3+ /Fe = Y Volt. The E^ _ Fe^ 3+ /Fe^… JEE Main 2026For a general redox reaction Anode : Red_1 arrow Ox_1^ n_1^+ + n_1 e^- Cathode : Ox_2 +… JEE Main 2026Consider the following data. Electrolyte Λ^ ∘ _m (S cm ^2 mol ^ -1 ) BaCl_2 x_1 H_2SO_4… JEE Main 2026One half cell in a voltaic cell is constructed by dipping silver rod in AgNO_3 solution… JEE Main 2026At 298 K , the molar conductivity of x\% (w/w) MX solution (aqueous) is 123.5 S cm^2 mol^… JEE Main 2026An electrochemical cell, consist of the following two redox couples, M^ x+ (aq)/M(s) [E_… JEE Main 2026Consider the following two half-cell reactions along with the standard reduction… JEE Main 2026 Full Electrochemistry list All JEE Main PYQs