Question

Standard electrode potentials of redox couples
A²⁺/A, B²⁺/B, C/C²⁺ and D²⁺/D are 0.3V, – 0.5V, – 0.75V and
0.9V respectively. Which of these is best oxidising agent and
reducing agent respectively –
(a) D²⁺/D and B²⁺/B (b) B²⁺/B and D²⁺/D
(c) D²⁺/D and C²⁺C (d) C²⁺/C and D²⁺/D

Answer 1

Answer:

Standard electrode potentials of redox couples

A²⁺/A, B²⁺/B, C/C²⁺ and D²⁺/D are 0.3V, – 0.5V, – 0.75V and

0.9V respectively. Which of these is best oxidising agent and

reducing agent respectively –

(a) D²⁺/D and B²⁺/B

(b) B²⁺/B and D²⁺/D

(c) D²⁺/D and C²⁺C

(d) C²⁺/C and D²⁺/D

Answer 2

$\huge\fcolorbox{black}{pink}{Answer}$

Standard electrode potentials of redox couples

A²⁺/A, B²⁺/B, C/C²⁺ and D²⁺/D are 0.3V, – 0.5V, – 0.75V and

0.9V respectively. Which of these is best oxidising agent and

reducing agent respectively –

OPTION C IS CORRECT

(c) D²⁺/D and C²⁺C