CH2=CHF b. CH2=C(CH3)2 c. HO(CH2)5COOH d. CH2-(CH2e. NH2(CH2)6NH + HOOC(CH 2)
CH2=CHF b . CH2=C(CH3 2 c. HO(CH2 5COOH e. NH2(CH2 6NH + HOOC(CH2 4COOHCH 2-CH 2
12.[填空题]-|||-_(H)_(3)-CH-C(H)_(2)-CH-CH-CH-C(H)_(3)-|||-CH3 CH2 CH2 CH3-|||-CH3
-CH-|||-CH2CH3-|||-CH3-|||-2.-|||-C2H5-|||-CH(CH3)2-|||-6.-|||-O2N SO3H-|||-CH3-
下列物质酸性的顺序是: ()-|||-HOCH2CH2COO H CH3H OCHCOOH-|||-① ② ③-|||-CH3CH2COOH 2 COOH (C
下列化合物沸点从小到大次序是()。(a)CH3CH2CH2COOH;(b)CH3CH2CH2CH3;(c)CH3CH2CH2CH2OH;(d)CH3CH2CH2
[单选题]已知:CH3CH2CH2CH3(g)+O2(g)4CO2(g)+5H2O(l)ΔH=-2878kJ/mol;(CH3)2CHCH3(g)+O2(g)4CO2(g)+5H2O(l)△H=-2869kJ/mol;下列说法正确的是()。A . 正丁烷分子储存的能量大于异丁烷分子B . 正丁烷的稳定性大于异丁烷C . 异丁烷转化为正丁烷的过程是一个放热过程D . 异丁烷分子中的碳氢键比正丁烷的多
已知有如图反应:o o-|||-o CH2CH2COOC2H5-|||-(H)_(2)=CH-COO(C)_(2)(H)_(5) O-|||-A C2H5ONa
[单选题]CH3(CH2)2CH2+(Ⅰ);CH3CH+CH2CH3(Ⅱ);(CH3)3C+(Ⅲ)三种碳正离子的稳定性顺序如何?()A . (Ⅰ)>(Ⅱ)>(Ⅲ);B . (Ⅰ)<(Ⅱ)<(Ⅲ);C . (Ⅱ)>(Ⅰ)>(Ⅲ);D . (Ⅱ)>(Ⅲ)>(Ⅰ)。
【简答题】列出下列单体所组成的高聚物熔点顺序,并说明理由. CH3—CH=CH2; CH3—CH2—CH=CH2; CH2=CH2 CH