Practice Alkynes - 9.2.3 | Chapter 9: Organic Chemistry I (Fundamentals & Functional Groups) | IB Grade 12-Chemistry
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Practice Questions

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Question 1

Easy

What is the general formula for alkynes?

💡 Hint: Think about how many fewer hydrogen atoms they have than alkanes.

Question 2

Easy

Name the simplest alkyne with two carbon atoms.

💡 Hint: The prefix for two carbons is related to 'two'.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the general formula for alkynes?

  • CnH₂n
  • CnH₂n+₂
  • CnH₂n-₂

💡 Hint: Consider how many degrees of saturation they have.

Question 2

True or False: Alkynes can undergo reactions similar to those of alkenes.

  • True
  • False

💡 Hint: Think about their number of bonds.

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Challenge Problems

Push your limits with challenges.

Question 1

A compound has the formula C₆H₈. Is it an alkyne, alkene, or alkane? Justify your answer.

💡 Hint: Use the general formulas for each type to analyze.

Question 2

Design a reaction scheme that illustrates the conversion of propyne to an alkane through hydrogenation followed by halogenation. Outline the steps and products.

💡 Hint: Think about the number of hydrogens you need to add or substitute.

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