NEET Chemistry Standard Electrode Potential MCQ Question
Consider a galvanic cell setup where a zinc rod is placed in zinc sulphate solution and a copper rod is placed in copper sulphate solution, connected by a salt bridge. Which of the following correctly describes the role of the salt bridge in this setup?
It allows the flow of electrons from the zinc rod to the copper rod.
It prevents the mixing of zinc and copper ions from the solutions.
It maintains electrical neutrality by allowing the migration of ions.
It generates additional voltage to enhance the cell's potential.
Correct Answer
Detailed Explanation
The salt bridge completes the circuit by allowing the migration of ions, maintaining electrical neutrality as electrons flow from the zinc to copper, as described in the NCERT context for the Daniell cell.
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