When an electric current is passed through the copper sulphate solution, what happens to the free sulphate ions?

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Free ions of sulphate move towards the negative electrode.

Free ions of sulphate move towards both the negative and positive electrodes.

Free ions of sulphate do not get attracted to any of the electrodes.

Free ions of sulphate move towards the positive electrode.

answer is B.

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Detailed Solution

When the current is passed through the copper sulfate solution, it splits into positively charged copper and negatively charged sulfate ions. The copper ions being positive, move toward the negative terminal, and the sulfate ions being negative, move toward the positive terminal.

The correct answer is that free ions of sulphate move towards the electrode to the positive terminal of the battery.

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