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Xi MDCAT XI Complete Chemistry Grand Test #Cell Potential #Electrochemistry

1

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For the cell A | A⁺(x M) || B⁺(y M) | B, the measured emf is +0.20 V. What is the overall cell reaction?

Verified Answer & Explanation⌄

Correct Answer: C) A + B⁺ → A⁺ + B

Concept Explanation

A positive cell emf for the written cell means oxidation occurs at A and reduction at B: A → A⁺ + e⁻ and B⁺ + e⁻ → B.

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