Q. Which reacts with ammoniacal $AgNO_{3}$?
A) Propyne
B) 2-butyne
C) 1,3-butadiene
D) Pentene
Explanation
(a)
Terminal alkynes react with ammoniacal $AgNO_{3}$ to give silver salt as they have acidic hydrogen.
$CH_{3} - C \equiv CH + AgNO_{3} + NH_{4}OH \rightarrow$
$CH_{3} - C \equiv C.Ag + NH_{4}NO_{3} + H_{2}O$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.