An electric current is passed through a conducting solution- Which of the following observations is-are correct- - - - - - - - - - - - - - - -i Deposition of metal may be seen on electrodei - - - - - - - - -ii Colour of solution may get changedii - - - - - - -iii Bubbles of gas may be formed on the electrodesiii - - - - - - - - -

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Electroplating

An electric c...

Question

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

Only (i)
केवल (i)

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Only (i) and (iii)
केवल (i) तथा (iii)

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Only (ii) and (iii)
केवल (ii) तथा (iii)

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All (i), (ii) and (iii)
(i), (ii) तथा (iii) सभी

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Solution

The correct option is D All (i), (ii) and (iii)
(i), (ii) तथा (iii) सभी
Solution

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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.

Assertion : For drying $H_{2} S$ , Conc. $H_{2} S O_{4}$ cannot be used.

Reason: Moist $H_{2} S$ is oxidized by Conc. $H_{2} S O_{4}$

In a fuel cell, H2& O2 react to produce electricity. In the process, H2 gas is oxidized at the anode & O2 at the cathode . If 67.2 litre of H2 at STP react in 15 minutes, If the entire current is used for electrode deposition of Cu from Cu (II) solution, how many grams of Cu will be deposited?

The correct statement with regard to $H_{2}^{+}$ & $H_{2}^{-}$ is

The correct stability order of the following resonance structures is:

H_{2} C = + N = - N (I)

H_{2} + C - N = - N (I I)

H_{2} - C - + N \equiv N (I I I)

H_{2} - C - N = + N (I V)

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The correct option is D All (i), (ii) and (iii) (i), (ii) तथा (iii) सभीSolution

The correct option is D All (i), (ii) and (iii)
(i), (ii) तथा (iii) सभी
Solution