
The mass of ions deposited during a given interval of time in the process of electrolysis depends on
A. The current
B. The resistance
C. The temperature
D. The electric power
Answer
161.4k+ views
Hint: Electrolysis is the process in which electric current is sent through an electrolyte and flow of ions occurs. Basically, some ions get deposited on both sides of the electrode. In this question we have to find that the mass of ions deposited during electrolysis depends on what.
Formula used: We have,
Mass of ion deposited, $m \propto q$
Where $\mathrm{q}$ is charged.
This equation can be simplified as:
$m \propto i t$
Where $\mathrm{i}$ is the current and $\mathrm{t}$ is the time of flow of charge.
Complete Step by Step Answer:
Electrolysis is usually described as decomposition of electrolytes to its own ions. There will be a negative electrode called cathode and positive electrode called anode. They are connected by a voltage source. This setup is dipped in electrolyte. After sometime positive ions get deposited on cathode and negative electrons get deposited on anode.
In electrolysis we have an equation saying that mass of ion deposited is directly proportional to charge flowing and we know that current is the rate of flow of current. This is called Faraday's first law of electrolysis. Therefore, in electrolysis the mass of ions deposited during an interval will depend on current passing.
That is,
Mass of ion deposited, $m \propto q \Rightarrow m \propto$ it
Where $q$ is the charge, $i$ is the current and $t$ is the time of flow of charge.
Therefore, the answer is option A.
Note: This equation comes from Faraday's first law of electrolysis. Faraday' first law of electrolysis states that the mass of the substance deposited at any electrode is directly proportional to the quantity of current or charge passed.
Formula used: We have,
Mass of ion deposited, $m \propto q$
Where $\mathrm{q}$ is charged.
This equation can be simplified as:
$m \propto i t$
Where $\mathrm{i}$ is the current and $\mathrm{t}$ is the time of flow of charge.
Complete Step by Step Answer:
Electrolysis is usually described as decomposition of electrolytes to its own ions. There will be a negative electrode called cathode and positive electrode called anode. They are connected by a voltage source. This setup is dipped in electrolyte. After sometime positive ions get deposited on cathode and negative electrons get deposited on anode.
In electrolysis we have an equation saying that mass of ion deposited is directly proportional to charge flowing and we know that current is the rate of flow of current. This is called Faraday's first law of electrolysis. Therefore, in electrolysis the mass of ions deposited during an interval will depend on current passing.
That is,
Mass of ion deposited, $m \propto q \Rightarrow m \propto$ it
Where $q$ is the charge, $i$ is the current and $t$ is the time of flow of charge.
Therefore, the answer is option A.
Note: This equation comes from Faraday's first law of electrolysis. Faraday' first law of electrolysis states that the mass of the substance deposited at any electrode is directly proportional to the quantity of current or charge passed.
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