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Organic Chemistry

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Alkynes

Question
9 out of 16
 

If liquid ammonia in the presence of sodium is added to an alkyne, the major product is:

A A trans-alkene
B A cis-alkene
C An aldehyde
D A carboxylic acid
Ans. A The liquid ammonia-sodium combination can be used to convert an alkyne to a trans-alkene. In essence, this reaction involves the restrictive hydrogenation of an alkyne to an alkene (trans-product).

Alkynes Flashcard List

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