Question Detail
Question
Which test distinguishes carboxylic acids from other compounds by producing CO₂ gas with sodium bicarbonate?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Carboxylic acids react with NaHCO₃ to release CO₂ gas (effervescence), which turns limewater milky. This test is specific for free -COOH groups.
Hint
Bubbles with baking soda.