Redox Reactions And Electrochemistry Ques 225
Question: The values for and are and respectively. For which one of these metals the change in oxidation state from to is easiest [AIEEE 2004]
Options:
A)
B) Mn
C) Cr
D) Co
Show Answer
Answer:
Correct Answer: C
Solution:
Reduction
- .41 V
+ . 41 V
- 1.57 V
- 1.57 V - 0.77 V
- 0.77 V - 1.97 V
- 1.97 V As has maximum oxidation potential value, therefore its oxidation should be easiest.