Q1. Which carboxylic acid has the highest boiling point?
Solution:
Butanoic acid has the highest boiling point due to its longer carbon chain.
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Q2. Which of the following acids is used in the production of esters?
Solution:
Acetic acid is commonly used in the production of esters.
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Q3. Which of the following acids is a saturated carboxylic acid?
Solution:
Butanoic acid is a saturated carboxylic acid.
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Q4. 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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Q5. Which of the following is a strong carboxylic acid?
Solution:
Formic acid is considered a stronger carboxylic acid compared to the others listed.
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Q6. Which of the following acids is a dicarboxylic acid?
Solution:
Oxalic acid is a dicarboxylic acid with two carboxyl groups.
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Q7. 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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Q8. What is the pKa range of most carboxylic acids?
Solution:
Most carboxylic acids have a pKa range of about 4-5.
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Q9. Which carboxylic acid is commonly known as formic acid?
Solution:
Formic acid is the common name for Methanoic acid.
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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.
