Chemistry Electrochemistry ETEA 2022
PMDC Verified Question 31 of 73
The stronger the reduction potential, the more difficult it is to:
A
Reduce the compound
B
Oxidize the compound
C
Electrolyze the compound
D
Neither reduce oxides the compound
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Oxidize the compound
Concept:

Reduction potential and oxidation potential are mathematically equal but opposite in sign. \( E^\circ_{red} = -E^\circ_{ox} \).

Solution:

  • A high, strong (very positive) reduction potential means a species desperately wants to gain electrons (it wants to be reduced).


  • Because it holds onto its electrons tightly, it strongly resists giving them away.


  • Giving away electrons is the definition of oxidation. Therefore, a high reduction potential makes the species highly resistant and difficult to oxidize.


Why other options are incorrect:

A strong reduction potential makes it mathematically very easy to reduce the compound, not difficult.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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