化学方程式正确的是 ( ) A.CH3CH == CH2 + Br2 -→ CH2BrCH == CH2 + HBr B.nCH3CH == CH2 [ CH3-CH-CH2 ] n C.CH2 == CH­-CH == CH2 + Br2 -­→ CH2Br2 -CH == CH-CH3 170℃ D.CH3CH2OHCH2 == CH2↑+ H2O 查看更多

 

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化学方程式正确的是                                                                          

       A.CH3CH == CH2 + Br2 (水溶液) → CH2BrCH == CH2 + HBr

B.nCH3CH == CH2 [ CH3—CH—CH2  ] n

C.CH2 == CH—CH == CH2 + Br2 → CHBr2 —CH == CH—CH3

170℃

 
D.CH3CH2OHCH2 == CH2↑+ H2O

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下列化学方程式正确的是

A.

CH3CH=CH2+Br2(水溶液)→CH2BrCH=CH2+HBr

B.

nCH3CH=CH2CH3-CH-CH2n

C.

CH2=CH-CH=CH2+Br2→CHBr2-CH=CH-CH3

D.

CH3CH2OHCH2=CH2↑+H2O

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 化学方程式正确的是               (    )

A.CH3CH== CH2 + Br2 (水溶液) —→ CH2BrCH == CH2 + HBr

B.nCH3CH== CH2[ CH3—CH—CH2 ] n

C.CH2== CH­—CH == CH2 + Br2 —­→ CH2Br2 —CH == CH—CH3

170℃

 
D.CH3CH2OHCH2 == CH2↑+ H2O

 

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 化学方程式正确的是                (    )

A.CH3CH == CH2 + Br2 (水溶液) —→ CH2BrCH == CH2 + HBr

B.nCH3CH == CH2 [ CH3—CH—CH2  ] n

C.CH2 == CH­—CH == CH2 + Br2 —­→ CH2Br2 —CH == CH—CH3

170℃

 
D.CH3CH2OHCH2 == CH2↑+ H2O

 

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下列化学方程式正确的是(  )

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