The aqueous salts that will during electrolysis produce hydrogen gas and oxygen gas are NaF and NaI.
The correct options are B and D.
What is electrolysis?
Electrolysis is the process of decomposition of a substance known as an electrolyte when a direct electric current is passed through it.
An electrolyte is a substance that conducts electricity in the molten or aqueous state and which is decomposed during the process.
The element discharged during an electrolytic process depends on:
- the position of the element in the electrochemical series
- the concentration of the ion of the element
- the nature of the electrode
An aqueous salt of sodium will always produce hydrogen gas and oxygen gas at the electrodes.
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