Concentration Trap in Daniell Cell ⚡ | E₁ vs E₂ | NEET 2017

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NEET 2017 Chemistry Previous Year Question (PYQ)

Question:
In the electrochemical cell:
Zn | ZnSO₄ (0.01 M) || CuSO₄ (1.0 M) | Cu

the emf of this Daniell cell is E₁.
When the concentration of ZnSO₄ is changed to 1.0 M and that of CuSO₄ is changed to 0.01 M, the emf becomes E₂.

Which of the following is the correct relationship between E₁ and E₂?
[Given: RT/F = 0.059]

In this video, we analyse how concentration changes affect cell emf using the Nernst equation.

This is a classic NEET trap question where students often make sign or ratio mistakes.
The solution is explained using clear exam-oriented logic.

📘 Exam: NEET 2017
📘 Subject: Chemistry
📘 Chapter: Electrochemistry

This video is useful for:
• NEET 2024 & 2025 aspirants
• Understanding concentration cells
• Avoiding common Nernst equation mistakes
• Quick revision of NEET PYQs

👉 Watch till the end to avoid this common concentration trap in exams.

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