Question 1

Which of the following compounds contains a carbonyl group as defined in the study materials?

Accepted Answer

Formaldehyde ($$HCHO)$$

Question 2

What is the correct IUPAC name for $$CH_3CHO$$?

Accepted Answer

Ethanal

Question 3

Which suffix is used for naming aldehydes according to IUPAC nomenclature?

Accepted Answer

$$-al$$

Question 4

What is the common name for $$CH_3CH_2CHO$$?

Accepted Answer

Propionaldehyde

Question 5

Which of the following is the correct structure for a ketone?

Accepted Answer

$$R-CO-R'$$

Question 6

What prefix is used for ketones when the carbonyl group is not the principal functional group?

Accepted Answer

Oxo

Question 7

Which of the following compounds is an example of an aldehyde?

Accepted Answer

Formaldehyde ($$HCHO)$$

Question 8

What is the IUPAC name for isobutyraldehyde ($$CH_3CH(CH_3$)CH_2CHO$$)?

Accepted Answer

2-Methylpropanal

Question 9

Which of the following is the correct formula for butyraldehyde?

Accepted Answer

$$CH_3CH_2CH_2CHO$$

Question 10

A compound is named as 'valeraldehyde' in common nomenclature. What is its IUPAC name?

Accepted Answer

Pentanal

Question 11

Which of the following best describes the functional group of an aldehyde?

Accepted Answer

$$-CHO$$

Question 12

Which of the following is the correct IUPAC name for $$CH_3CH_2COCH_3$$?

Accepted Answer

Butanone

Question 13

Which of the following statements about carbonyl compounds is TRUE?

Accepted Answer

Aldehydes have the carbonyl group at the end of the carbon chain.

Question 14

What is the correct IUPAC name for $$CH_3CH_2CH_2COCH_3$$?

Accepted Answer

2-Pentanone

Question 15

Which of the following is the correct common name for $$CH_3COCH_3$$?

Accepted Answer

Acetone

Question 16

A hospital uses formaldehyde as a disinfectant. What is the molecular formula of formaldehyde?

Accepted Answer

$$CH_2O$$

Question 17

Which of the following is the correct IUPAC name for $$CH_3CH_2CH_2CHO$$?

Accepted Answer

Butanal

Question 18

Which of the following is a distinguishing feature of ketones compared to aldehydes?

Accepted Answer

Ketones have the carbonyl group bonded to two alkyl groups.

Question 19

Which of the following is the correct IUPAC name for $$CH_3CH_2COH$$?

Accepted Answer

Propanal

Question 20

Which of the following is the correct common name for $$CH_3CH_2COCH_3$$?

Accepted Answer

Methyl ethyl ketone

Aldehydes, Ketones, and Carboxylic Acids: Structure, Nomenclature, and Common Names

Study Guide - Practice Questions