14.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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14.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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