MCQ
Name the gas released at the cathode when acidulated water is electrolysed.
- ✓Hydrogen
- BNitrogen
- COxygen
- DNone of the above
✓
Answer
Correct option: A.
Hydrogen
Acidulated water is a mixture of cold water and small amount if vinegar, lemon juice or lime juice. it's just used as a soak to prevent discoloration of some fruits and vegetables that darken quikly when their cut surfaces are exposed to air. During electrolysis of acidulated water, hydrogen gas $(H_2)$ is liberated at cathode.
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