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REMEMBER
• Alkynes contain triple bond between 2 linearly sp
hybridized carbon atoms.
• IUPAC name of alkynes by changing suffix –ane to –
yne where the triple bond and other substituents are
given the possible lowest numbering.
• Terminal alkynes can be differentiated from internal
alkynes by:
Reaction with silver ammonium hydroxide and oxidation
The most characteristic reaction of an alkyne is the
addition to the triple bond.
Alkyl Halides (Haloalkanes)
R-X
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