题目内容

下列试剂能够鉴别丙炔、丙烯和环丙烷的是

A. Br2的CCl4溶液;KMnO4溶液
B. AgNO3的氨溶液;金属钠
C. AgNO3的氨溶液;KMnO4溶液
D. HgSO4/H2SO4; KMnO4溶液

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丁-2-炔在Lindlar催化剂作用下与H2反应产物为

A. 正丁烷
B. 顺-丁-2-烯
C. 反-丁-2-烯
D. 难以确定

下列炔烃中,在HgSO4-H2SO4的存在下发生水合反应,能得到醛的是

A. 乙炔
B. 丁-2-炔
C. 丙炔
D. 丁-1-炔

某烯烃经臭氧化和还原水解后只得到 CH3COCH3, 则该烯烃为

A. (CH3)2C= C(CH3)2
B. (CH3)2C=CH2
CH3CH=CH2
D. (CH3)2C=CHCH3

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