【单选题】【消耗次数:1】
CH3CH2CH2Br的同分异构体的个数(  )。
2
0
1
3
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①  2
②  3
③  1
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【单选题】 CH3CH=CHCH3与CH3CH2CH=CH2 是什么异构体?
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【单选题】 室温下CH3CH2Br是( )。
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【单选题】 (CH3CH2)2CHCH3的正确命名是( )。
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【单选题】 在溴乙烷(CH3CH2Br)分子中,溴元素的存在形式为(  )。
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【单选题】 乙苯的同分异构体的个数(  )。
①  0
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【判断题】 下列羰基亲核反应活性顺序不正确:CH2ClCHO BrCH2CHO CH3CH2CHO CH2=CHCHO
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