MEDIUMMCQ SINGLEJEE Mains ChemistryOrganic ChemistryHydrocarbonsPrevious Year Questions
Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne? (AIPMT 2012)
A.NaNH2✓ Correct
B.HCl
C.O2
D.Br2
Explanation
Terminal alkynes (1-butyne) react with NaNH2 to form sodium acetylide and evolve hydrogen but 2-butyne do not.
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