Q. In a concentration cell, the EMF arises due to the:

एक सांद्रण सेल में, EMF निम्न के कारण उत्पन्न होता है:

A
Difference in nature of electrodes
इलेक्ट्रोड की प्रकृति में अंतर
B
Difference in concentration of electrolyte
इलेक्ट्रोलाइट की सांद्रता में अंतर
C
External applied voltage
बाहरी लागू वोल्टेज
D
Temperature difference
तापमान अंतराल

Explanation

In a concentration cell, both electrodes are the same metal, but they are immersed in solutions of different concentrations.
→ EMF is generated due to concentration gradient, not electrode material.

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