Practice Physical properties - 9.4.4.1 | 9. Hydrocarbons | CBSE 11 Chemistry Part 2
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the general formula for alkynes?

πŸ’‘ Hint: Think about how many hydrogens are in relation to the carbon atoms.

Question 2

Easy

List the states of the first three alkynes at room temperature.

πŸ’‘ Hint: Remember the trend found in hydrocarbons.

Practice 4 more questions and get performance evaluation

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-2
  • CnH2n+2
  • CnH2n
  • C(n-1)H2n

πŸ’‘ Hint: Consider how the number of hydrogens relates to carbon in unsaturated compounds.

Question 2

True or False: The first three alkynes are solids at room temperature.

  • True
  • False

πŸ’‘ Hint: Think about their states of matter based on molecular weight.

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Challenge Problems

Push your limits with challenges.

Question 1

Given the molecular formula C5H8, deduce the possible alkynes and their properties.

πŸ’‘ Hint: Use the general formula to set up possible structures.

Question 2

Explain the trend in boiling points among 1-butyne, 2-butyne, and butane.

πŸ’‘ Hint: Consider the effects of structure on packing efficiency.

Challenge and get performance evaluation