Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

Olympiad workbook

Exam: Olympiad workbook
Subject: NSEC
Chapter: Electrochemistry

Olympiad workbook · NSEC · Electrochemistry

If the standard electrode potentials of Fe^ 3+ / Fe and Fe^ 2+ / Fe...

If the standard electrode potentials of

\mathrm{Fe}^{3+} / \mathrm{Fe}

and

\mathrm{Fe}^{2+} / \mathrm{Fe}

are -0.04 V and -0.44 V respectively, then that of

\mathrm{Fe}^{3+} / \mathrm{Fe}^{2+}

is

Options

A0.76 V
B $-0.76 \mathrm{~V}$
C0.40 V
D $-0.40 \mathrm{~V}$

Correct answer

A. 0.76 V

Step-by-step solution

No Solution

Practice Electrochemistry on Quantrex Academy →

More from Electrochemistry

NaOH solution is added dropwise to HCl solution and the conductance of the mixture is… Olympiad workbook Reaction E_0 / V Agarrow Ag^ + + ^ - -0.80 Cr^ 3+ +3 ^ - arrow 3 Cr -0.74 Zn^ 2+ +2 ^… Olympiad workbook When a medal is electroplated with silver (Ag) Olympiad workbook Given the E_0 values for the half reactions: aligned & Sn^ 4+ +2 ^ - arrow Sn^ 2+ , 0.15… Olympiad workbook Reaction E_0 / V Agarrow Ag^ + + ^ - -0.80 Cr^ 3+ +3 ^ - arrow 3 Cr -0.74 Zn^ 2+ +2 ^… Olympiad workbook Which of the following statements is not correct regarding the galvanic cells? Olympiad workbook The standard potentials (E^ ^ ^ ∘ ) of MnO_4^ - / Mn^ 2+ and MnO_2 / Mn^ 2+ half cells in… Olympiad workbook The standard electrode potential (E^0) of the Daniel cell is 1.1 V and the overall cell… Olympiad workbook Full Electrochemistry list All Olympiad workbook PYQs