The diagram that follows represents a molecular view of a process occurring at an electrode in a voltaic cell.

(a) Does the process represent oxidation or reduction?

검증된 단계별 안내

Identify the process occurring at the electrode by observing the movement of particles in the diagram.

Note that the particles are moving away from the electrode, indicating a loss of particles from the electrode surface.

Understand that in a voltaic cell, oxidation occurs at the anode where there is a loss of electrons, and reduction occurs at the cathode where there is a gain of electrons.

Recognize that the loss of particles from the electrode suggests that the electrode is losing electrons, which is characteristic of oxidation.

Conclude that the process represented in the diagram is oxidation, as the electrode is losing particles (electrons).

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

53s

도움이 되었나요?

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Oxidation and Reduction

Oxidation and reduction are chemical processes that involve the transfer of electrons between species. Oxidation refers to the loss of electrons, while reduction involves the gain of electrons. In a voltaic cell, these processes occur at the electrodes, where oxidation typically happens at the anode and reduction at the cathode. Understanding which process is occurring is crucial for analyzing electrochemical reactions.

Voltaic Cell

A voltaic cell, also known as a galvanic cell, is a device that converts chemical energy into electrical energy through spontaneous redox reactions. It consists of two electrodes (anode and cathode) immersed in an electrolyte solution. The flow of electrons from the anode to the cathode generates an electric current, making it essential to understand the roles of each electrode in the overall reaction.

Electron Flow

In electrochemical cells, the flow of electrons is a fundamental concept that dictates the direction of current and the type of reaction occurring. Electrons flow from the anode, where oxidation occurs, to the cathode, where reduction takes place. This movement is crucial for the functioning of the voltaic cell and is visually represented in diagrams showing electron transfer during the redox process.

The diagram that follows represents a molecular view of a process occurring at an electrode in a voltaic cell.(a) Does the process represent oxidation or reduction?