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budku007 (396)

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Olaaa!! Perrrfect answer. 64  [102 rates]

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ethanol to but-1-yne
1.C2H5OH+conc.H2SO4
CH2=CH2
2.
CH2=CH2+H2/Pt/Ni(hydrogenation)CH3-CH3
3.
CH3-CH3+Cl2CH3-CH2-Cl
4.CH3-CH2-Cl+Na/Dry Ether(Wurtz Reaction)CH3-CH2-CH2-CH3
5.
CH3-CH2-CH2-CH3 +Cl2 CH3-CH2-CH2-CH2Cl
6.CH3-CH2-CH2-CH2Cl+Alc.KOHCH3-CH2-CH=CH2
7.
CH3-CH2-CH=CH2 +Cl2 CH3-CH2-CHCl-CH2Cl
8.CH3-CH2-CHCl-CH2Cl+Alc.KOHCH3-CH2-CH=CH2
9.
CH3-CH2-CH=CH2 +NaNH2CH3-CH2-CCH
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