Practice Physical Properties (9.4.4.1) - Hydrocarbons - CBSE 11 Chemistry Part 2
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Physical properties

Practice - Physical properties - 9.4.4.1

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the general formula for alkynes?

💡 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.

💡 Hint: Remember the trend found in hydrocarbons.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the general formula for alkynes?

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

💡 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

💡 Hint: Think about their states of matter based on molecular weight.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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

💡 Hint: Use the general formula to set up possible structures.

Challenge 2 Hard

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

💡 Hint: Consider the effects of structure on packing efficiency.

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