Q.

I. Metallic electrodes are dipped into electrolyte.II. Half-cells are connected by metallic wire through voltmeter and switch.III.There is no need of salt bridge if the electrodes are dip in the same electrolyte.Which of the following statements is/are true for the above diagram? Choose the correct option.

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I and II

lI and III

III and I

I, II and III

answer is D.

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Detailed Solution

In electrochemical cell electrodes are dipped in electrolytic solutions of same metal ionsIf electrode is dipped in same electrolyte no salt bridge is required

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