NEET Chemistry: Aldehydes Ketones and Carboxylic Acids — MCQ Test 9

Q6. Which compound is formed when pentanal reacts with semicarbazide?

Q7. Which reagent can reduce pentanoic acid to pentanal without forming an alcohol intermediate?

Q8. Arrange in increasing order of acidity: \( \ce{CH3COOH} \), \( \ce{CH2ClCOOH} \), \( \ce{CH3CH2COOH} \).

Q9. Which compound liberates \( \ce{CO2} \) when heated with calcium hydroxide and another carboxylic acid?

Q10. What is the product when pentan-3-one is treated with \( \ce{NaBH4} \)?

NEET Chemistry — Aldehydes Ketones and Carboxylic Acids

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Which compound is formed by the ozonolysis of 2-pentene followed by hydrolysis?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Chemistry preparation, focusing specifically on the chapter Aldehydes Ketones and Carboxylic Acids. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Compound, Ozonolysis, Followed, Hydrolysis, Produced, and Hydrated.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Which compound is formed by the ozonolysis of 2-pentene followed by hydrolysis?

  • A. Acetone
  • B. Methanal
  • C. Propanal
  • D. Butanal

Q2. Which ketone is produced when 3-hexyne is hydrated with \( \ce{HgSO4/H2SO4} \)?

  • A. Hexan-3-one
  • B. Hexan-2-one
  • C. Pentan-3-one
  • D. Hexanal

Q3. What is the product of propanal and butanal in cross aldol condensation?

  • A. \( \ce{CH3CH=CHCHO} \)
  • B. \( \ce{CH3CH2CH=CHCHO} \)
  • C. \( \ce{CH3CH2CH2CH=CHCHO} \)
  • D. \( \ce{CH3CH2CH2CH=CHCH2CH3} \)

Q4. Which test produces a red precipitate with butanal but not with butanone?

  • A. Iodoform test
  • B. Schiff’s test
  • C. Fehling’s test
  • D. 2,4-DNP test

Q5. Arrange in decreasing order of boiling points: Propanal, Propanone, Propan-1-ol.

  • A. Propanone > Propanal > Propan-1-ol
  • B. Propanal > Propan-1-ol > Propanone
  • C. Propan-1-ol > Propanal > Propanone
  • D. Propan-1-ol > Propanone > Propanal

+ 5 more questions in the actual test

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