6. Organic Chemistry
Functional Groups — Quiz
Test your understanding of functional groups with 5 practice questions.
Practice Questions
Question 1
Which reagent selectively oxidizes a primary alcohol to an aldehyde without further oxidation to a carboxylic acid?
Question 2
In an infrared spectrum, which absorption band around 2250 cm^{-1} indicates the presence of a nitrile functional group?
Question 3
Which functional group reacts with 2,4-dinitrophenylhydrazine to form a hydrazone precipitate?
Question 4
When aniline (C₆H₅NH₂) is treated with sodium nitrite and hydrochloric acid at 0–5 °C, which intermediate is formed?
Question 5
An acid HA has pK_{a}=5.00. At pH 7.00, what fraction of HA is deprotonated?