【单选题】【消耗次数：1】
1-甲基-4-异丙基环己烷有几种异构体?
①
2种
②
3种
③
4种
④
5种
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【多选题】
下列试剂中能用来鉴别1-氯环己烷和环己烯的有( )
①
Br2/H2O
②
KMnO4/H+
③
K2Cr2O7/H+
④
AgNO3/C2H5OH
⑤
浓HCl/ZnCl2
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