Acetaldehyde can not show

Options

(a) iodoform test
(b) Lucas test
(c) Benedict’s test
(d) Tollen’s test

Correct Answer:

Lucas test

Explanation:

Acetaldehyde cannot show Lucas test because lucas test is given by alcohols only. It is used in the distinction between primary,secondary and tertiary alcohols concentration HCl +anhydrous ZnCl₂ is called Lucas reagent.