Chemistry-Transition Elements
NEET Chemistry Transition Elements MCQ Question
Type: MCQ-numerical-Hard-Class 12
Which of the following transition metals has the greatest tendency to exist in a +3 oxidation state based on the given standard electrode potentials?
A
Iron (Fe)
B
Chromium (Cr)
C
Manganese (Mn)
D
Silver (Ag)
Correct Answer
Option A
Detailed Explanation
The positive E° value of +0.8 V for Fe3+/Fe2+ indicates a strong tendency for iron to exist in the +3 oxidation state in acid solution, compared to chromium and manganese which have less favorable or negative values.
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