Electrolysis and Electrolytes

Q.

What are electrolytes, and how it works?

Q. Give reasons.​
(a) Akali metals are kept in inert solvent.​

Q.

If an electrolyte is described as a strong electrolyte what does it means?

Q. The bromide ion caries a charge of _____.

1. 2
2. 1
3. -1
4. -2

Q. In the electrolytic process using Castner Kellner cell, Hg acts as an intermediate electrode by induction.

1. True
2. False

Q. Can a polyatomic ion have both negative and positive charge? which element of CuSo_4 has positive and which as negative charge?

Q.

If the current is passed into the solution of an electrolyte

[AIIMS 1979]

1. Anions move towards anode, cations towards cathode

2. No movement of ions takes place

3. Anions and cations both move towards anode

4. Anions move towards cathode, cations towards anode

Q.

The cathode of an electrolysis and a reducing agent are similar because both :

1. supply electrons
2. are metals
3. remove electrons
4. absorb electrons

Q. Which of the following statements is true about electrolytes?

1. An electrolyte always needs to be ionic in nature.
2. An electrochemical cell always needs an electrolyte.
3. Electrolytes are always in solution.
4. Electrolytes are made of strong acids and bases.

Q.

During the course of electrolysis the cathode is removed :

1. both cations and anions move towards the anode
2. the anions only move towards the anode
3. the movement of ions completely stops
4. the ions move at random

Q.

Define the term electrolyte.

Q. In the gold foil experiment, few alpha particles got deflected by small angles.

1. False
2. True

Q. In the gold foil experiment, few alpha particles got deflected by small angles.

1. True
2. False

Q. Which of the following statements is true about electrolytes?

1. An electrolyte always needs to be ionic in nature.
2. Electrolytes are always in solution form.
3. An electrochemical cell always needs an electrolyte.
4. Electrolytes are always made from strong acids and strong bases.

Q. Complete the table for electrolysis of copper.

Anode
Cathode
Electrolyte
Equation of the chemical reaction taking place at cathode
Equation of the chemical reaction taking place at cathode