AIPMT PRELIMS2006Chemistry-Electrochemistry
AIPMT PRELIMS 2006 Chemistry Electrochemical Cells MCQ Question
Type: MCQ-conceptual-Medium-Class 12
A hypothetical electrochemical cell is shown below AlA₊ (xM)∥ B₊ (yM)∥ B The emf measured is +0.20V. The cell reaction is:
A
A + B → A + B⁺
B
A + B⁺ → A + B
C
A⁺ + B → A + B⁺
D
A + B → A⁺ + B
Correct Answer
Option D
Detailed Explanation
The positive emf indicates that the reaction proceeds as written: A + B⁺ → A + B, where B⁺ is reduced.
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