Practice Acidity of a-hydrogens of aldehydes and ketones - 8.4.4.1 | 8. Aldehydes, Ketones and Carboxylic Acids | CBSE Grade 12 Chemistry Part 2
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8.4.4.1 - Acidity of a-hydrogens of aldehydes and ketones

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does the α-hydrogen refer to in carbonyl compounds?

💡 Hint: Think about the location of the carbonyl group.

Question 2

Easy

What is formed from the aldol reaction?

💡 Hint: Check the identities of the starting materials.

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 primary product of the aldol reaction between two moles of ethanal?

  • 2-Methylbut-2-enal
  • 3-Hydroxybutanal
  • α,β-unsaturated carbonyl compound

💡 Hint: Consider the structure of the starting material.

Question 2

Is the carbonyl group responsible for increasing the acidity of the adjacent hydrogen?

  • True
  • False

💡 Hint: Think about the effect of electronegativity.

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Challenge Problems

Push your limits with challenges.

Question 1

Predict the major products of self and cross-aldol condensation when benzaldehyde is used with both ethanal and propanal.

💡 Hint: Think about where the hydrogens are located.

Question 2

Provide a detailed mechanism for the formation of but-2-enal from the aldol reaction of two molecules of ethanal.

💡 Hint: Visualize the steps and the structures formed at each stage.

Challenge and get performance evaluation