某卤代烃与碱溶液共热可生成3−甲基−2−戊醇,此卤代烃的结构简式为A.CH3CH2CH2CH2CH2Br;B.CH3CHBrCH(CH3)2;C.CH3CBr(CH3)2;D.CH3CH2CH(CH3)CHCHBrCH3;

问题描述:

某卤代烃与碱溶液共热可生成3−甲基−2−戊醇,此卤代烃的结构简式为
A.CH3CH2CH2CH2CH2Br;
B.CH3CHBrCH(CH3)2;
C.CH3CBr(CH3)2;
D.CH3CH2CH(CH3)CHCHBrCH3;

B

D,把羟基变成卤素接回去

B.
CH3CHBrCH(CH3)2+NaOH—〔供热〕―〉NaBr+CH3CH(OH)CH(CH3)CH3[3−甲基−2−戊醇]