Aromatic Acids MCQ and Answers

Aromatic Acids MCQ and Answers of Pharmaceutical Organic Chemistry 2 B.Pharm 3rd Semester. All the Multiple Choice Questions and Answers share in this post are extremely helpful from an exam perspective so read and learn them all.

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1. Alcohols can be converted into carboxylic acids by

• oxidation
• Reduction
• Hydrolysis
• Eliminatione

Ans: oxidation

2. Alkyl halides can be converted into carboxylic acid by

• oxidation
• Reduction
• via grignard reagent
• Hydrolysis

Ans: via grignard reagent

3. Carboxylic acids can be converted into primary alcohol by

• Oxidation using KMNO4
• Reduction using LiAlH4
• Hydrolysis using NaOH
• Ester formation

Ans: Reduction using LiAlH4

4. Carboxylic acids are more acidic than alcohols due to

• Resonance stabilization of conjugate base of acid is small
• Resonance stabilization of conjugate base of acid is large
• Resonance stabilization of acid is small
• Resonance stabilization of acid is large

Ans: Resonance stabilization of conjugate base of acid is large

5. Effect of the ortho-OCH3 group on the acidity of benzoic acid

• Increases
• Decreases
• No effect
• Strongly increases

Ans: Decreases

6. Effect of the ortho-NO2 group on the acidity of benzoic acid

• Increases
• Decreases
• No effect
• Strongly increases

Ans: Increases

7. Phenol can be converted to p- & o Hydroxyphenyl ethyl ketone by

• Riemen-Tiemann reaction
• Fries rearrangement
• Claisens rearrangement
• Kolbe reaction

Ans: Fries rearrangement

8. Carbonation of Grignard reagent leads to the synthesis of

• Alkyl halide
• Carboxylic acid
• Aldehyde
• Ketone

Ans: Carboxylic acid

9. Acyl chloride can be synthesised from carboxylic acid using

• HCl
• NaCl
• SOCl2
• KCl

Ans: SOCl2

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