Chemistry Regents Practice Test 2026 – Complete Prep Resource

Question: 1 / 400

What is the process of electrolysis primarily used for?

To measure electrical current

To synthesize organic compounds

To drive a non-spontaneous reaction using electric current

The process of electrolysis is primarily used to drive a non-spontaneous reaction using electric current. This occurs when an external voltage is applied to an electrolyte, causing chemical reactions that would not take place on their own under standard conditions. For example, in the electrolysis of water, electricity is used to separate water into hydrogen and oxygen gases. This process underscores the fundamental principle that electrolysis can facilitate the biochemical formation of substances or the breakdown of compounds by overcoming energy barriers that prevent the reactions from occurring spontaneously. This principle is widely utilized in applications such as electroplating, the production of chemical compounds, and metal refining.

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To increase the temperature of a solution

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