CH3NH2/(CH3)2NH /(CH3)3N.哪些呈中性,哪些弱碱性?
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CH3NH2/(CH3)2NH/(CH3)3N.哪些呈中性,哪些弱碱性?CH3NH2/(CH3)2NH/(CH3)3N.哪些呈中性,哪些弱碱性?CH3NH2/(CH3)2NH/(CH3)3N.哪些呈中
CH3NH2/(CH3)2NH /(CH3)3N.哪些呈中性,哪些弱碱性?
CH3NH2/(CH3)2NH /(CH3)3N.哪些呈中性,哪些弱碱性?
CH3NH2/(CH3)2NH /(CH3)3N.哪些呈中性,哪些弱碱性?
最后一个呈中性,前两个呈弱碱性
CH3NH2/(CH3)2NH /(CH3)3N.哪些呈中性,哪些弱碱性?
1)CH3--CH--CH--CH3| |CH3 CH2|CH3 2)CH3--CH--CH--CH--CH--CH3| | | |CH3 CH3 CH2 CH3|CH33)CH3--CH--CH2--CH3|C2H5CH3--CH--CH--CH3 ..............|...........| ..............CH3...........CH2 ..............| ..................CH3 2)CH3--CH--CH--CH--CH--CH3
(ch3)2ch-ch(ch3)的一氯代物有几种?
化学(系统命名)用系统命名法命名烷烃(多,)1)CH3-CH(CH3)-CH(C2H5)-CH2-CH2-CH(CH3)-CH32)CH3CH(CH3)CH(C2H5)CH2CH(CH3)CH(CH3)23)CH3-CH(C2H5)-CH(C2H5)-CH(CH3)-CH(CH3)24)(CH3)2C
C10H15N C10H15N 结构简式:C6H5CH2CH(CH3)NHCH3 结构式:C6H5--CH2--CH(CH3) --NH—CH3
CH3CH2C(CH3)2CH(CH3)CH(CH3)CH2CH3命名
一碳单位不包括( ) A.—CH3 B.—CH2— C.CO2 D.—CH=NH
有机命名(cH3)2c-cH-cH2-cH(cH3)2|c2H5cH3cH2cH(c2H5)2
下列多肽片段充分水解后,产生的氨基酸有CH3 CH3 CH2-CH31 1 1H2N-CH-CO-NH-CH2-CO-NH-CH-CO-NH-CH-CO-NH-CH-COOH求高手告诉答案及方法.
谁能帮我解释下这个化学式CH3C6H4CH2CH2CH2NH2C10H15NC6H5--CH2--CH(CH3) --NH—CH3
CH3-CH(CH3)-CH(CH3)-CH(C2H5)-CH2(CH3)系统命名法是什么
ch3(ch2)2ch3,ch3-ch=c=ch2和ch2=ch-ch=ch用化学方法鉴别
(CH3)2CHC(CH3)2CH(CH3)2这个用系统命名法怎么读?
(CH3)2CHC(CH3)2CH(C2H5)CH2C(CH3)3如何命名,
CH3-C(CH3)2-CH3-CH(C2H5)-CH(CH3)-CH3的系统命名
CH3(CH2)3CH(CH3)2命名!
CH3CH(CH3)CH(CH3)2的名称
给下面的化合物命名、1.CH3CH2CH=CH2 2.CH3CH2CH2OCH3 3.CH3C(CH3)2CH2CH3 4.CH2=CH-CH=CH2 5.CH2=CH-CH2-C三键CH 6.CH3CH2CH2OH7.CH3CH(CH3)CH2CH2CHO8.CH3(CH2)14COOH9.CH3-NH-CH2CH310.H2C2O4