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Home  arrow Student Resources  arrow Chapter 33: Carbonyl compounds  arrow Multiple choice questions

Multiple choice questions

Try the following multiple choice questions to test your knowledge of this chapter. For each question there is one correct answer. The periodic table, physical constants and relative atomic masses needed for these problems are given on the inside covers of Chemistry, fourth edition by C.E. Housecroft and E.C. Constable. Once you have answered the questions, click on 'Submit Answers for Grading' to get your results.

If your lecturer has requested that you send your results, please complete the routing information found at the bottom of your graded page and then click on the 'E-Mail Results' button. Please do not forward your results unless your lecturer has specifically requested that you do so.

This activity contains 18 questions.

Question 1.
Which compound is not a carbonyl compound?

 
End of Question 1


Question 2.

A compound A shows signals at δ 200 and 31 ppm in its 13C NMR spectrum; in the 1H NMR spectrum, there is a doublet at δ 2.2 ppm (J 2.9 Hz) and a quartet at δ 9.8 ppm (J 2.9 Hz). When X is shaken with D2O, no change is observed in the 1H NMR spectrum. Which of the following identities for X is consistent with these data?
 
End of Question 2


Question 3.
Which statement about butanone is incorrect?

 
End of Question 3


Question 4.
Which statement about pentanoic acid is incorrect?

 
End of Question 4


Question 5.
Which reaction is unlikely to lead to the stated products?

 
End of Question 5


Question 6.
Which of the following is a dibasic, weak acid?

 
End of Question 6


Question 7.
Alkylation of a ketone that contains α-H atoms (e.g. acetone) involves the formation of a lithium enolate which then reacts with a halogenoalkane. Which statement about this reaction is incorrect?

 
End of Question 7


Question 8.
Which statement about an acyl chloride is incorrect?

 
End of Question 8


Question 9.
Which statement about the reaction between pentan-3-one and NC is incorrect?

 
End of Question 9


Question 10.
Which statement about the reaction between acetone and NH3 is incorrect?

 
End of Question 10


Question 11.
Which statement about an aldol reaction is incorrect?

 
End of Question 11


Question 12.
Which statement about a Claisen condensation is incorrect?

 
End of Question 12


Question 13.
Which one of the following is the most likely pKa value of butanoic acid?

 
End of Question 13


Question 14.
When the reaction of Br2 with acetone is catalysed by hydroxide ion, which of the following are the likely products?

 
End of Question 14


Question 15.
The acid catalysed reaction of Br2 with acetone will lead to which of the following products?

 
End of Question 15


Question 16.
Which statement is incorrect about an enolate ion?

 
End of Question 16


Question 17.
Which reagent would you choose to convert pentan-1-ol to pentanal?

 
End of Question 17


Question 18.
Lithium diisopropylamide (LDA):

 
End of Question 18





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