1.Which is not one carbon unit?
A: A.=CH-
B: B.-CH2-
C: C.―CH3
D: D.CO2
A: A.=CH-
B: B.-CH2-
C: C.―CH3
D: D.CO2
举一反三
- 根据次序规则,下列基团大小排列顺序正确的是: A: -CH3>-CH2CH3>-CH(CH3)2>-C(CH3)3 B: -CH3>-CH(CH3)2>-CH2CH3>-C(CH3)3 C: -C(CH3)3>-CH(CH3)2>-CH2CH3>-CH3 D: -C(CH3)3>-CH2CH3>-CH(CH3)2>-CH3 E: -C(CH3)3>-CH3>-CH(CH3)2>-CH2CH3
- 按照次序规则,判断下列排序正确的是: A: -CH2CH3 > -CH3 > -C(CH3)3 > -CH(CH3)2 B: -CH3 >-C(CH3)3 > -CH(CH3)2 > -CH2CH3 C: -CH(CH3)2 > -C(CH3)3> -CH3> -CH2CH3 D: -C(CH3)3 > -CH(CH3)2 > -CH2CH3 > -CH3
- 【单选题】CH 3 CH 2 CH 2 CH 2 OCH 3 与1molHI反应生成下列哪种化合物() A. CH 3 OH 与CH 3 CH 2 CH 2 CH 2 I B. CH 3 CH 2 CH 2 CH 2 OH 与CH 3 I C. CH 3 CH 2 CH 2 OH 与CH 3 CH 2 I
- 【单选题】与溴加成反应时速度最快的是 A. (CH 3 ) 2 CH=CH 2 B. CH 2 =CH 2 C. CH 2 =CHCH 2 Cl D. CH 2 =CH-F
- 下列化合物中有顺反异构体的是( ) A: CH3 C≡CCH3 B: CH3 CH2 CH= CH2 C: CH3 CH= CH CH3 D: (CH3 CH2) 2 C=CH CH3