For the following compounds, write structural formulas and IUPAC names for all possible isomers having the number of double or triple bond as indicated:
(a) Isomers of C4H8, having one double bond are:
(b) Isomers of C5H8 having one triple bond are:
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176.Write structures of different isomers corresponding to the 5th member of alkyne series. Also, write IUPAC names of all the isomers ?
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177.
How is acetylene obtained from: (i) Ethylene dibromide? (ii) Tetrabromoethane ?
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178.
Discuss the preparation of higher alkynes.
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179.
Why do alkynes undergo electrophilic addition reactions ?
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180.Alkynes are less reactive towards electrophilic addition reactions than alkenes. Explain.