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Answer to Question #25045 in Organic Chemistry for Aqib zaman
Question #25045
how will you synthesis:
1)Acetylene from ethylene
2)1-Butyne from Acetylene
1)Acetylene from ethylene
2)1-Butyne from Acetylene
Expert's answer
1) H2C=CH2 + Br2 --> Br-HC=CH-Br
Br-HC=CH-Br + KOH (in alcohol) --> HC=CH
2) HC=CH+ Na ---> HC=CNa
HC=CNa+ CH3Cl --> HC=C-CH3
Br-HC=CH-Br + KOH (in alcohol) --> HC=CH
2) HC=CH+ Na ---> HC=CNa
HC=CNa+ CH3Cl --> HC=C-CH3
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