JEE Main 2022 · 25 Jun · Shift 2 · Chemistry Q69

← JEE Main 2022 · 25 Jun · Shift 2

ChemistrySingle correct+4 / -1Question 69 of 90

The correct order of reduction potentials of the following pairs is

A. $\mathrm{Cl_2/Cl^-}$

B. $\mathrm{I_2/I^-}$

C. $\mathrm{Ag^+/Ag}$

D. $\mathrm{Na^+/Na}$

E. $\mathrm{Li^+/Li}$

Choose the correct answer from the options given below.

A > C > B > D > E

A > B > C > D > E

A > C > B > E > D

A > B > C > E > D

Answer and worked solution

Official answer: A

Standard reduction potentials (V): $\mathrm{Cl_2/Cl^-}$ +1.36, $\mathrm{Ag^+/Ag}$ +0.80, $\mathrm{I_2/I^-}$ +0.54, $\mathrm{Na^+/Na}$ −2.71, $\mathrm{Li^+/Li}$ −3.04.

Order. A > C > B > D > E.

(A)

Topics:Galvanic cells and EMF

← Previous question Next question →

JEE Main 2022 · 25 Jun · Shift 2, Chemistry question 69