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how to introduce a triple bond b/w two carbon atoms

Posted by Ankit Yadav 9 years, 1 month ago

CBSE > Class 11 > Chemistry

2 answers

Yakshith K 9 years ago

1. Dehydrohalogenation of vicinal or geminal dihalides: A vicinal di halide such as 1,2 dichloroethane when treated with sodamide(NaNH₂) yields Ethyne.

2.Dehalogenations of tetrahaloalkanes.

3.From Calcium Carbide:Higher homologues can be prepared by nucleophilic displacement by acetylide anion. Secondary halodes gives poor yield while tertiary halides cannot be used.

4.By heating Iodoform with silver:

2CHI₃+6Ag $\overset{heat}{\to}$ C₂H₂+6Ag

Ashwin S 9 years, 1 month ago

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