Q. A compound $C_{5}H_{10}O$ gives a positive test of carbonyl group, gives a negative test with Fehling solution but gives positive haloform test and on reduction it gives normal pentane. Identify the compound

A) 3-pentanone
B) 2-pentanone
C) 1,5-pentanediol
D) None of these
Explanation

(a)
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(1) Ketone gives negative test with Fehling solution
(2) Ketone containing $–COCH_{3}$ group gives positive haloform test

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.