Question

Which compound among the folloeing gives a positive iodoform test?
(1)$Ethanol$
(2)$Ethanal$
(3)$1-Butanol$
(4)$2-Butanol$

(5)$Phenylethanal$

• A. $1,2,3$
• B. $1,3,4$
• C. $1,2,4$
• D. $1,2,5$

Answer 1

The correct option is B $1,3,4$

1, 3, 4

Because all these three having ${CH}_{3}CO$ present and will give prositive iodoform test.