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layman (148)

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Olaaa!! Perrrfect answer. 24  [38 rates]

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1)CH2=CH2 + Br2/CCl4--> CH2Br-CH2Br
2)CH2Br-CH2Br + alc.NaNH2 --> ETHYNE
3)ETHYNE + NaNH2 --> sodium acetylide
4)sodium acetylide + CH3-I --> propyne
5)propyne + lindlar's catalyst --> propene



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