摘要：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
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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
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CH2 == 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＝CH2 |
C． |
CH2＝CH－CH＝CH2＋Br2→CHBr2－CH＝CH－CH3 |
D． |
CH3CH2OH |
CH3－CH－CH2
n
CH2＝CH2↑＋H2O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
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CH2 == CH2↑+ H2O查看习题详情和答案>>
CH2 == CH2↑+ H2O