Question

Which of the following statement is correct about a electrochemical cell?

• A. Fuel cell is a type of electrochemical cell
• B. Chemical energy is converted into electrical energy
• C. Electrical energy is converted into chemical energy
• D. All of the above.

Answer 1

The correct option is D All of the above.

The devices which convert electrical energy into chemical energy or vice versa is called Electrochemical cell.
There are two types of electrochemical cell,
1. Galvanic Cell
2. Electrolytic Cell

Galvanic cell is also known as Voltaic cell. It converts the chemical energy liberated during the reaction to electrical energy. The chemical reaction will be a spontaneous reaction.

In Electrolytic cell, electrical energy is being used to carry out chemical reactions (chemical energy). Here, the electric current drives a non-spontaneous reaction.

In fuel cell, chemical energy is converted to electrical energy. It is an application of electrochemical cell.
Thus, all the given statements are correct.
Hence, the correct option is (d).