Q1. Which carboxylic acid is commonly known as 'butyric acid'?
Solution:
Butyric acid has the molecular formula C4H8O2.
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Q2. Which carboxylic acid is commonly known as vinegar?
Solution:
Acetic acid is commonly known as vinegar.
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Q3. What is the main use of citric acid?
Solution:
Citric acid is used as a preservative, flavoring agent, and cleaning agent.
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Q4. Which of the following is a carboxylic acid?
Solution:
C2H4O2 (Acetic acid) is a carboxylic acid.
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Q5. What is the molecular formula of Benzoic acid?
Solution:
The molecular formula of Benzoic acid is C7H6O2.
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Q6. Which of the following is the strongest carboxylic acid? (2022)
Solution:
Formic acid (HCOOH) is the strongest carboxylic acid among the given options due to the presence of a hydrogen atom directly attached to the carbonyl carbon, which increases its acidity.
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Q7. What is the pKa of acetic acid?
Solution:
The pKa of acetic acid is approximately 4.76.
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Q8. What is the IUPAC name of the compound CH3COOH? (2020)
Solution:
The IUPAC name of CH3COOH is Ethanoic acid, which is commonly known as acetic acid.
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Q9. Which carboxylic acid is found in vinegar?
Solution:
Acetic acid is the main component found in vinegar.
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Q10. What is the boiling point trend of carboxylic acids compared to alcohols?
Solution:
Carboxylic acids have higher boiling points than alcohols due to stronger hydrogen bonding.
