下列卤代烃在KOH醇溶液中加热不反应的是
①C6H5Cl ②(CH3)2CHCH2Cl ③(CH3)3CCH2Cl ④CHCl2－CHBr2 ⑤
⑥CH2Cl2
| A．①③⑥ | B．②③⑤ | C．全部 | D．②④ |
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