Chapter 14 Chemical Effects Of Electric Current

Question 1

What are good and poor conductors of electricity? Give example.

Answer 1

Answer in reference

Question 2

What liquids conduct electricity? Give example

Answer 2

Reference book

Question 3

Why does copper Sulphate conduct electricity?

Answer 3

A solution of copper sulfate conducts electricity because it contains ions that are free to move and carry an electric charge. When copper sulfate (CuS04) is dissolved in water, it dissociates into its constituent ions:

Copper ions (Cu2+) are positively charged.

Sulfate ions (SO42-) are negatively charged.

When an electric field is applied (e.g., by connecting the solution to a power source), these ions move:

Copper ions move toward the negative electrode (cathode).

Sulphate ions move toward the positive electrode (anode).

This movement of charged particles enables the solution to conduct electricity.

Question 4

Why do acids bases and salts conduct electricity

Answer 4

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Question 5

Differences in conduction of electricity by solids and liquids

Answer 5

Reference

Question 6

What chemical change takes place when electricity is passed through acidified water?

Answer 6

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