Electrolytic Conductors

Q. The conductance in electrolytic solutions is due to flow of ions which are produced by the decomposition of substance.

1. True
2. False

Q.

Give appropriate scientific reason for the following:

Carbon tetrachloride does not conduct electricity

Q. Choose the correct option regarding the statements given below:

Statement- 1: NaCl conducts electricity in solid state.
Statement- 2 :Molten NaCl is an electrolyte.

1. Both statements are correct.
2. Statement- 1 is incorrect and statement- 2 is correct.
3. Statement- 1 is correct and statement- 2 is incorrect.
4. Both statements are incorrect.

Q. Which of the following compounds do not conduct electricity in solid state?

1. Potassium hydroxide
2. Nitric acid
3. Graphite
4. Sodium chloride

Q. Sodium chloride solution is an electrolytic conductor.

1. True
2. False

Q.

Hydrogen chloride and ethanol are covalent compounds soluble in water. The aqueous solution of which of the two will conduct electric current? Write down the relevant chemical equation.

Q.

Negatively charged ions move toward the positively charged electrode called cathode

1. True
2. False

Q. A strong electrolyte allows electricity to pass through it readily.

1. True
2. False

Q. A metal is an electrolytic conductor.

1. True
2. False

Q.

Potassium chloride is an electrovalent compound, while hydrogen chloride is a covalent compound. Both conduct electricity in their aqueous solutions. Explain.

Q. A ___ electrolyte allows electricity to pass through but with some resistance.

Q.

Explain why an aqueous solution of acid conducts electricity.

Q. Pick the odd one out in the options given below.

1. Sugar
2. Glucose
3. Benzene
4. Sodium chloride

Q.

Give appropriate scientific reason for the following:

Carbon tetrachloride does not conduct electricity

Q. What are the primary requirements for a compound to be a good conductor of electricity?

1. Presence of free electrons
2. Presence of free ions
3. Compound should have covalent bonds
4. Neutral atoms

Q.

Why carbon tetrachloride liquid does not conduct electricity?

Q. Aqueous solutions of which of the following conduct electricity?

1. Sodium chloride
2. Hydrochloric acid
3. Graphite
4. Sodium hydroxide
5. Copper sulphate
6. Platinum
7. Iron
8. Sulphuric acid

Q. Which of the following does not allow electricity to pass through it?

1. Salt solution
2. Non-electrolyte
3. Acids
4. Electrolyte

Q. Which of the following is an acidic refractory material?

1. magnesite
2. graphite
3. calcium oxide
4. quartz

Q. Match the following.

1. Glucose
2. ${\text{NH}}_4\text{OH}$
3. $\text{NaCl}$

Q. Chromate ions are _______ in colour.

1. blue
2. black
3. yellow
4. green

Q.

Choose and give the correct answer from the following: platinum, ${\mathrm{PbBr}}_2$​, ${\mathrm{Cl}}_2$, ${\mathrm{O}}_2$​, cathode, anode.

An electrolyte which conducts electricity only in molten state.

Q. Hydrogen is prepared by the ___ of water using platinum electrode.

Q. The conductance in electrolytic solutions is due to flow of ions which are produced by the decomposition of substance.

1. False
2. True