Vicinal dihalides undergo double dehydrohalogenation to give terminal alkyne. How many moles of NaNH2 are used in the overall reaction?
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
One
b
Two
c
Three
d
Four
answer is C.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Double dehydrohalogenation requires 2 mol of NaNH2. The terminal alkyne is converted to alkynyl anion as soon as it is formed. Thus, 3 mol of NaNH2 of the base are used in the overall reaction.