NEET Chemistry: Organic Chemistry Some Basic Principles and Techniques — MCQ Test 7

Q6. What is the shape around the carbon atom in \( \ce{CH3C#CH} \) that is triple-bonded?

Q7. Which of the following has the lowest boiling point?

Q8. Which carbon in \( \ce{CH3CH2CH2CH=CH2} \) is most affected by the inductive effect of the double bond?

Q9. In the estimation of carbon and hydrogen, 0.18 g of a compound gave 0.528 g of \( \ce{CO2} \) and 0.108 g of \( \ce{H2O} \). What is the empirical formula?

Q10. In the estimation of carbon, 0.12 g of a compound gave 0.44 g of \( \ce{CO2} \). What is the percentage of carbon?

NEET Chemistry — Organic Chemistry Some Basic Principles and Techniques

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In Lassaigne’s test, the formation of a blood-red color indicates the presence of which two elements together?

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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 Lassaigne, Formation, Indicates, Presence, Elements, and Together.

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. In Lassaigne’s test, the formation of a blood-red color indicates the presence of which two elements together?

  • A. Nitrogen and sulphur
  • B. Nitrogen and halogen
  • C. Sulphur and halogen
  • D. Carbon and nitrogen

Q2. In the estimation of carbon and hydrogen, 0.3 g of a compound gave 0.88 g of \( \ce{CO2} \). What is the percentage of carbon?

  • A. 70%
  • B. 75%
  • C. 80%
  • D. 85%

Q3. Which reagent is used in Lassaigne’s test to detect sulphur?

  • A. Silver nitrate
  • B. Ferric chloride
  • C. Sodium nitroprusside
  • D. Lead acetate

Q4. The most electronegative carbon atom is found in which type of hybridization?

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

Q5. What is the hybridization of the carbon atom attached to the oxygen in \( \ce{CH3CH2OH} \)?

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

+ 5 more questions in the actual test

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