NEET Chemistry: Chemical Bonding and Molecular Structure — MCQ Test 18

Q6. Which molecule contains a coordinate bond where nitrogen donates a lone pair to boron?

Q7. Which molecule has a bond order of 3 and is diamagnetic?

Q8. The number of sigma bonds in \( \ce{C2H6} \) molecule is:

Q9. Which molecule exhibits hydrogen bonding and has a bond angle of approximately 104.5°?

Q10. The number of pi bonds in \( \ce{C4H6} \) (butadiene, \( \ce{CH2=CH-CH=CH2} \)) is:

NEET Chemistry — Chemical Bonding and Molecular Structure

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Which molecule has a bent shape due to the presence of lone pairs?

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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 Chemical Bonding and Molecular Structure. 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 Molecule, Presence, Following, Molecular, Pentadiene, and Contains.

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 molecule has a bent shape due to the presence of lone pairs?

  • A. \( \ce{CO2} \)
  • B. \( \ce{H2O} \)
  • C. \( \ce{BeCl2} \)
  • D. \( \ce{BF3} \)

Q2. Which of the following species has a bond order of 2?

  • A. \( \ce{N2} \)
  • B. \( \ce{O2} \)
  • C. \( \ce{F2} \)
  • D. \( \ce{He2} \)

Q3. The bond order of \( \ce{O2^2-} \) ion, based on molecular orbital theory, is:

  • A. 1
  • B. 1.5
  • C. 2
  • D. 2.5

Q4. The total number of sigma and pi bonds in \( \ce{C5H8} \) (1,3-pentadiene, \( \ce{CH2=CH-CH=CH-CH3} \)) is:

  • A. 13
  • B. 14
  • C. 15
  • D. 12

Q5. Which molecule contains a triple bond and has a bond length of approximately 120 pm?

  • A. \( \ce{N2} \)
  • B. \( \ce{C2H2} \)
  • C. \( \ce{CO2} \)
  • D. \( \ce{SO2} \)

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