NEET Chemistry: Organic Chemistry Some Basic Principles and Techniques — MCQ Test 5

Q6. In Lassaigne’s test, an organic compound gives a violet color with sodium nitroprusside and a white precipitate with silver nitrate. What elements are present?

Q7. Which technique is least effective for separating a mixture of two liquids with boiling points of 110°C and 150°C, one of which is water-soluble?

Q8. A compound with 9 \( \sigma \) bonds and 1 \( \pi \) bond has a molecular formula of \( \ce{C4H6} \). Which carbon has a bond angle closest to 109.5°?

Q9. Which carbon in \( \ce{CH3CH2CH2C(=O)OCH3} \) has the greatest s-character in its hybridization?

Q10. Which compound with \( \ce{C4H8} \) has a degree of unsaturation of 1 and can be separated from its chain isomer by simple distillation?

NEET Chemistry — Organic Chemistry Some Basic Principles and Techniques

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What is the hybridization of the central carbon in \( \ce{CH3CH2CH3} \)?

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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 Organic Chemistry Some Basic Principles and Techniques. 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 Hybridization, Kjeldahl, Compound, Produced, Neutralized, and Percentage.

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 hybridization of the central carbon in \( \ce{CH3CH2CH3} \)?

  • A. \( sp \)
  • B. \( sp^3 \)
  • C. \( sp^2 \)
  • D. \( sp^3d \)

Q2. In Kjeldahl’s method, 0.42 g of a compound produced ammonia that neutralized 15 mL of 0.2 M \( \ce{H2SO4} \). What is the percentage of nitrogen?

  • A. 19%
  • B. 21%
  • C. 22%
  • D. 20%

Q3. A hydrocarbon with a degree of unsaturation of 2 produces 4 moles of \( \ce{CO2} \) per mole upon complete combustion. What is its molecular formula?

  • A. \( \ce{C4H8} \)
  • B. \( \ce{C4H6} \)
  • C. \( \ce{C5H8} \)
  • D. \( \ce{C3H4} \)

Q4. Which purification technique is used to separate a mixture of two miscible liquids with close boiling points?

  • A. Simple distillation
  • B. Sublimation
  • C. Crystallization
  • D. Fractional distillation

Q5. In Lassaigne’s test, the presence of bromine forms a precipitate of what color with silver nitrate?

  • A. Pale yellow
  • B. White
  • C. Yellow
  • D. Black

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