Chemistry-Transition Elements
NEET Chemistry Transition Elements MCQ Question
Type: MCQ-numerical-Hard-Class 12
Calculate the standard electrode potential (E°) for the reduction of manganese (Mn) from Mn²⁺ to Mn given the following thermochemical data: ΔH₁° = 717 kJ/mol, ΔH₂° = 1509 kJ/mol, and ΔH_hyd° = -1862 kJ/mol.
A
-1.18 V
B
-0.90 V
C
-0.44 V
D
0.34 V
Correct Answer
Option A
Detailed Explanation
The standard electrode potential for Mn can be calculated using the provided thermochemical data. The correct value, based on the given data, is -1.18 V as provided in the NCERT context.
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