质子酸的酸性强弱比较
刘绍乾,王稼国,钟世安
Comparison of Molecular Acidity of Proton Acids
Shaoqian LIU,Jiaguo WANG,Shian ZHONG
图3
场效应
(a)正电荷场效应;(b)负电荷场效应;(c)孤电子对场效应