alleryWhich functional group is present in ethanoic acid?
A-COOH
B-OH
C-CHO
D-CO-
Answer & Solution
Correct answer: A. -COOH
1. Ethanoic acid is CH3COOH.
2. The COOH group is called the carboxylic acid (carboxyl) group.
3. -OH would mean alcohol, -CHO aldehyde, -CO- ketone.
4. So the answer is -COOH.
_Source: syllabus Science Ch 4 'Carbon and its Compounds' (byjus.com extract)_
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