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4:Alkyne \[CH_3C\equiv CH/\textrm{Propyne}\], \[HC\equiv CH\textrm{ ,…
4:Alkyne
\[CH_3C\equiv CH/\textrm{Propyne}\]
Mixing Calcium Carbide(CaC_2) and water
\[CaO+3C\;\overrightarrow{ 2000-3000℃}\;\;\;CaC_2+CO\]
\[CaC_2+2H_2O \to Ca(OH)_2+HC\equiv CH\]
Addition
Hydrogenation
\[+2H_2,Ni\]
\[CH_3CH_2CH_3\]
\[+2H_2,Pd/C\]
\[CH_3CH=CH_2\]
\[+2HCl\textrm{ in }CCl_4\]
\[CH_3CCl_2CH_3\]
\[+HCl,HgCl_2\]
\[CH_3CH=CHCl\]
\[+2Br_2\textrm{ in }CCl_4\] :eye:
\[CH_3CBr_2CHBr_2\]
Hydration
\[+H_2O,H_2SO_4/HgSO_4\]
\[CH_3COOH\]
\[H_2SO_4/HgSO_4\textrm{ ,rearranged}\]
\[CH_3COCH_3\]
Substituition :eye:
\[+[Cu(NH_3)_2]^+\]
\[CH_3C\equiv CCu+NH_3+NH_4^+\]
\[+[Ag(NH_3)_2]^+\]
\[CH_3C\equiv CAg+NH_3+NH_4^+\]
Oxidation :eye:
\[KMnO_4/H^+\]
\[CH_3COOH+CO_2+H_2O\]
Elimination of Haloalkane
\[CH_3CH_2CHCl\;\overrightarrow{ KOH/Ethanol}\;\; CH_3CH=CHCl\]
\[CH_3CH=CHCl\;\overrightarrow{ KOH/Ethanol,\Delta}\;\; CH_3C\equiv CH\]
Combustion
\[2CH_4\;\overrightarrow{ 1500-1600℃ }\;\;HC\equiv CH+3H_2\]
\[HC\equiv CH\textrm{ , Ethyne}\]
Addition of water
\[+H_2O,H_2SO_4/HgSO_4\]
\[CH_2C(OH)H\]
\[H_2SO_4/HgSO_4\]
\[CH_3CHO\]
Addition of Polymerisation
\[+2HC\equiv CH,Fe,500℃ \]
