Electrolytic Cell

Q.

Why does voltage decrease when concentration increases?

Q.

What are the differences between the flow of electric current through metal conductors and electrolytes?

Q. Which of the following statements are true about an electrolytic cell?

1. The reaction is non-spontaneous
2. A potential equal to the cell potential needs to be applied.
3. The flow of electrons is from anode to cathode.
4. The flow of current is from anode to cathode.

Q. Which metal is preferred for collecting hydrogen from: ​
Cold water?​

Q.

1. Assertion is false but Reason is true
2. Both Assertion and Reason are true and Reason is the correct explanation of Assertion
3. Assertion is true but Reason is false
   
4. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
   
5. Both Assertion and Reason are false

Q. Assertion :At cathode reduction occurs. Reason: A cathode is the electrode from which a conventional current leaves a polarized electrical device.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

In which order will the components of a mixture of four miscible liquid A, B, C, and D be collected from a fractional distillation tower?

The boiling points of A, B, C, and D are 170℃, 350℃, 400℃, and 270℃, respectively.

Q. A student is making an electrolytic cell for conducting experiment. The solution of which of the following he should use as an electrolyte?