During electrolysis, electrons are being added directly to the metal ions at the ___________.

anode

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cathode

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both

A

and

B

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none of the above

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Solution

The correct option is D cathode
During electrolysis, electrons are being added directly to the metal ions at the cathode (the negative electrode). The downside (particularly in the aluminum case) is the cost of the electricity. An advantage is that it can produce very pure metals.

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Similar questions

Metallic ions are discharged at the __(anode/ cathode) during electrolysis.

Q. Fill in the blanks:
(a) The metal plate through which current enters into an electrolyte is called _________. It has _________ of electrons.
(b) The metal plate through which _________ leaves from an electrolyte is called _________. It has ________ of electrons.
(c) The ions which discharge on the negative electrode during electrolysis _________ electrons. Thus, the ions are said to be _________.
(d) The ions which discharge on the positive electrode during electrolysis __________ electrons. Thus, the ions are said to be ________.
(e) Hydrogen and metallic ions are _________ because they __________ electrons.
(f) Non-metallic ions are __________ because they _________ electrons.

The amount of ions discharged during electrolysis is directly proportional to:

Q. _____ is formed when a water molecule accepts electrons at the cathode during its electrolysis.

(a) Here is an electrode reaction :

$C u \to C u^{2 +} + 2 e^{-}$ . At which electrode (anode or cathode) would such a reaction take place? Is this an example of oxidation or reduction ?

(b) A solution contains magnesium ions $(M g^{2 +})$ , iron (II) ions $F e^{2 +}$ and copper ions $C u^{2 +}$ . On passing an electric current through this solution, which ions will be the first to be discharged at the cathode? Write the equation for the cathode reaction.

(d) During the electrolysis of molten lead bromide, which of the following takes place ?

A. Bromine is released at the cathode,

B. Lead is deposited at the anode,

C. Bromine ions gain electrons,

D. Lead is deposited at the cathode.

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During electrolysis, electrons are being added directly to the metal ions at the ___________.

The correct option is D cathodeDuring electrolysis, electrons are being added directly to the metal ions at the cathode (the negative electrode). The downside (particularly in the aluminum case) is the cost of the electricity. An advantage is that it can produce very pure metals.

The correct option is D cathode
During electrolysis, electrons are being added directly to the metal ions at the cathode (the negative electrode). The downside (particularly in the aluminum case) is the cost of the electricity. An advantage is that it can produce very pure metals.