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.

Found an issue with this question?