Electrolysis of Molten Sodium Chloride Solution

Q. In the electrolysis of molten NaCl, is deposited at the cathode, whereas in electrolysis of aq. NaCl, is produced at the cathode.

1. Na
2. Cl
3. ${\text{O}}_2$ gas
4. ${\text{H}}_2$ gas

Q.

Sodium is obtained at the cathode during the electrolysis of molten sodium chloride.

1. True

2. False

Q.

Which of the following will not conduct electricity?

1. Molten NaCl

2. NaCl dissolved in water

3. Solid NaCl

4. Both molten and solid NaCl

Q. Chlorine gas is obtained at the anode during the electrolysis of molten sodium chloride.

1. True
2. False

Q.

In the given arrangement, when electricity is passed through sodium chloride solution, the bulb glows. What does it indicate?

1. Sodium chloride is an ionic compound and it transfers heat.

2. Sodium chloride is an ionic compound and it conducts electricity.

3. Sodium chloride is a covalent compound and it conducts electricity.

4. Sodium chloride is a covalent compound and it transfers heat.

Q.

Choose A, B, C or D to match the descriptions (i) to (v) below. Some alphabets may be repeated.

A. non-electrolyte B. strong electrolyte C. weak electrolyte D. metallic conductor

(i) Molten ionic compound, (ii) carbon tetrachloride, (iii) An aluminium wire, (iv) A solution containing solvent molecules solute molecules and ions formed by the dissociation of solute molecules. (v) A sugar solution with sugar molecules and water molecules.

Q.

Which of the following ion will move at the anode when molten lead bromide is used as an electrolyte?

1. H⁺

2. OH^-

3. Pb²⁺

4. Br ^-

Q.

Which of the following ion will move at the cathode when molten lead bromide is used as an electrolyte?

1. H⁺

2. OH^-

3. Pb²⁺

4. Br ^-

Q. In the electrolysis of molten NaCl, is deposited at the cathode, whereas in electrolysis of aq. NaCl, is produced at the cathode.

1. Na
2. Cl
3. ${\text{O}}_2$ gas
4. ${\text{H}}_2$ gas

Q.

Which of the following can act as an electrolyte?

1. NaCl (solid)

2. aq. NaCl

3. aq. $CuS{O}_4$

4. Copper

Q.

Potassium chloride conducts electricity in _______ state.

1. gaseous

2. solid

3. plasma

4. molten

Q. Complete the table based on the Electrolysis of molten sodium Chloride.

Electrodes	Reaction taking place	Product
Anode
Cathode

Q. During electrolysis of molten $NaOH$, which of the following ions move towards anode?

1. $H^{+}$
2. none of the above
3. $N{a}^{+}$
4. $O{H}^{-}$

Q. ____ is formed at the cathode when conc. NaCl(aq) undergoes electrolysis.

1. Chlorine gas
2. Hydrogen gas
3. Oxygen gas
4. Sodium metal

Q. Match the components of the electrolytic cell as per the electrolysis of fused salt.

1. Molten NaCl
2. Sodium deposit
3. Electrolyte
4. Cathode
5. Chlorine gas
6. Anode

Q. Match the components of the electrolytic cell as per the electrolysis of fused salt.

1. Molten NaCl
2. Sodium deposit
3. Electrolyte
4. Cathode
5. Chlorine gas
6. Anode

Q. $C{l}_2$(g) is produced during the electrolysis of an aqueous solution of $NaCl$ at the anode.

1. True
2. False

Q. Which among the following is a strong electrolyte?

1. NaCl
2. HCOOH
3. Alcohol
4. Urea

Q.

In which of the following state sodium chloride does not conduct electricity?

1. Molten state
2. Aqueous Solution
3. Solid state
4. Sodium chloride is not conductive in any state