Which of the following effects can occur on passage of electric current through a conducting solution?

Bubbles of a gas may be formed on the electrodes

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Deposits of metal may be seen on electrodes

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Changes of colour of solutions may occur

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All of the above

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Solution

The correct option is D
All of the above

The passage of an electric current through a conducting solution causes chemical reactions. As a result, bubbles of a gas may be formed at the electrodes. Deposits of metal may be seen on electrodes. Changes of colour of solutions may also occur. The reaction would depend on the nature of solution and electrodes used.

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Similar questions

Q. An electric current is passed through a conducting solution. Following are some observations:
(i) Deposits of metal may be seen on the electrodes.
(ii) Solution may get heated.
(iii) Bubbles of gas may be formed on the electrodes.

Q. An electric current is passed through a conducting solution. Which of the following observations is/are correct?
एक चालक विलयन में विद्युत धारा गुजारी जाती है। निम्नलिखित में से कौनसा/कौनसे प्रेक्षण सही है/हैं?

(i) Deposition of metal may be seen on electrode
(i) धातु का निक्षेपण इलेक्ट्रॉड पर देखा जा सकता है

(ii) Colour of solution may get changed
(ii) विलयन का रंग परिवर्तित हो सकता है

(iii) Bubbles of gas may be formed on the electrodes
(iii) गैस के बुलबुले इलेक्ट्रॉडों पर निर्मित हो सकते हैं

Q. What physical changes may one observe upon passage of an electric current through a conducting solution?

Which of the following effects is not produced by the chemical reactions brought about by an electric current ?
(a) bubbles of gases on electrodes
(b) deposits of metals on electrodes
(c) change in colour of solution
(d) formation of a precipitate

Q. Electrode is an electric conductor, usually metal, used as either of the two terminals of an electrically conducting medium conducts current into and out of the medium, which may be an electrolytic solution as in a storage battery.

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