Hydrocarbons - Result Question 53

####55. Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne?

(a) NaNH2

(b) HCl

(c) O2

(d) Br2

[2012 M]

Show Answer

Solution:

  1. (a) 1-Butyne and 2-butyne are distinguished by NaNH2 because 1-Butyne react with NaNH2 due to presence of terminal hydrogen.

CH3−CH2−C≡CH+NaNH2 1-Butyne ⟶CH3CH2−C≡CNa+NH3

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