碱性最强的是 ( )
A: CH3CONHCH3
B: PhNHCH3
C: (CH3)2NH
A: CH3CONHCH3
B: PhNHCH3
C: (CH3)2NH
举一反三
- 碱性最强的是 ( ) A: (CH3)2NH B: CH3CONHCH3 C: PhNHCH3 D: PhNH2
- 下列化合物的水溶液中,碱性最强的是( )。 A: NH<sub>3</sub> B: CH<sub>3</sub>NH<sub>2</sub> C: (CH<sub>3</sub>)<sub>2</sub>NH D: (CH<sub>3</sub>)<sub>2</sub>NCH<sub>2</sub>CH<sub>3</sub>
- 以下碱性最强的是()。 A: (CH3)2NH B: CH3CONHCH3 C: PhNHCH3 D: 一样强
- 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