NEET Chemistry: Hydrocarbons — MCQ Test 18

Q6. How many isomers are possible for the molecular formula \( \ce{C4H10} \)?

Q7. Which hydrocarbon is used as a fuel in automobiles with less pollution?

Q8. Which hydrocarbon is used in the manufacture of polystyrene?

Q9. Which substituent on a benzene ring is ortho-para directing due to hyperconjugation?

Q10. What is the common name of \( \ce{CH3C6H5} \)?

NEET Chemistry — Hydrocarbons

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1Question 1 of 10
Medium

What is the number of hydrogen atoms in the compound \( \ce{CH3CH2CH2CH2CH3} \)?

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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 Hydrocarbons. 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 Hydrogen, Compound, Substituent, Deactivates, Moderately, and Electrophiles.

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. What is the number of hydrogen atoms in the compound \( \ce{CH3CH2CH2CH2CH3} \)?

  • A. 10
  • B. 14
  • C. 8
  • D. 12

Q2. Which substituent on a benzene ring deactivates it moderately and directs electrophiles to ortho and para positions?

  • A. \( -\ce{NH2} \)
  • B. \( -\ce{NO2} \)
  • C. \( -\ce{Cl} \)
  • D. \( -\ce{CH3} \)

Q3. Which hydrocarbon with molecular formula \( \ce{C5H10} \) has a five-membered ring and no double bonds?

  • A. Pentene
  • B. Cyclopentane
  • C. Cyclopentene
  • D. Methylcyclobutane

Q4. Which of the following hydrocarbons has the lowest boiling point?

  • A. \( \ce{C4H10} \)
  • B. \( \ce{C3H8} \)
  • C. \( \ce{CH4} \)
  • D. \( \ce{C5H12} \)

Q5. Which substituent on a benzene ring would direct an electrophile to the meta position with the strongest deactivating effect?

  • A. \( -\ce{CH3} \)
  • B. \( -\ce{NO2} \)
  • C. \( -\ce{Cl} \)
  • D. \( -\ce{OH} \)

+ 5 more questions in the actual test

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