JAMB Chemistry 2018 Objective — Question 2
Question 2 of 36 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2018 Objective paper, with the correct answer and a full explanation.
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A violet or deep red-brown colour observed when hydroxylamine hydrochloride and sodium hydroxide are added to an organic substance confirms the presence of a(n)
- A. alkanal
- B. alkanone
- C. alkanoateCorrect
- D. alkane
Explanation
This is a test for esters (also known as alkanoates); the test is known as the hydroxamic acid test.
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