单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2019/4/11,#,12.3,醋和酒香,VINEGAR AND SCENT OF WINE,2019.4.11,酒,卄一日,vineigar,1,2,3,4,Molecular structure,分子结构,Main application,用途,Physical property,物理性质,Chemical property,化学性质,物理性质,颜色、状态（,color,state,）,气味（,smell,）,沸点（,boiling point,）,熔点（,melting point,）,溶解性（,solubility,）,无色液体,强烈刺激性气味,colorless liquid,Strong pungent odor,117.9,易挥发,volatile,16.6,无水乙酸称为,冰醋酸,glacial acetic acid,易溶于水和乙醇,soluble in water and ethanol,分子式,结构式,结构简式,molecular formula,structural formula,Condensed Structural Formula,C,2,H,4,O,2,CH,3,COOH,C,H,H,H,C,O,H,O,分子结构,CH,3,COOH,C,H,H,H,C,O,H,O,官能团,functional group,分子结构,羧基,C,O,H,O,COOH,carboxyl,球棍模型,比例模型,ball-and-stick model,scale,model,分子结构,化学性质,1,、酸性,弱,【,实验设计,】,比较乙酸和盐酸的酸性强弱。,Please design an experiment to compare the acidity between acetic acid and hydrochloric acid,测同浓度乙酸和盐酸,pH,Test the pH of acetic acid and hydrochloric acid in the same concentration,测醋酸钠溶液的,pH,Test the pH of sodium acetate solution,测同浓度乙酸和盐酸的导电性,Test the electrical conductivity of acetic acid and hydrochloric acid in the same concentration,同浓度乙酸和盐酸与相同金属反应，比较反应速率,Compare the reaction rate when acetic acid and hydrochloric acid in the same concentration react with the same metal,01,02,03,04,05,化学性质,1,、酸性,弱,与金属（,Mg,）反应,与金属氧化物（,CaO,）反应,与碱（,NaOH,）反应,与盐（,Na,2,CO,3,）反应,与指示剂反应,React with indicator,React with metal,React with metallic oxide,React with base,React with salt,书写上述化学方程式,Write down the chemical equation.,CH,3,COOH CH,3,COO,-,+H,+,01,02,05,化学性质,2,、酯化反应（取代反应）,为什么酒存放越久，香味越浓？,（,Why does the longer the wine last,the more fragrant it becomes,？,）,乙醇,乙醛,乙酸,O,O,有香味的物质,esterification,01,02,05,化学性质,2,、酯化反应（取代反应）,C,2,H,5,OH,CH,3,COOH,浓,H,2,SO,4,水浴,饱和,Na,2,CO,3,溶液,长导管,05,化学性质,2,、酯化反应（取代反应）,01,C,O,H,O,CH,3,C,2,H,5,O,H,+,浓,H,2,SO,4,01,C,O,CH,3,C,2,H,5,O,H,2,O,+H,2,O,：酸跟醇作用，生成酯和水的反应,esterification,乙酸乙酯,现象：,碳酸钠溶液液面上有一层无色透明，不溶于水，比水轻，有果香味油状液体产生。,酯,基,01,02,03,04,乙醇沸点,：,78,乙酸沸点：,117.9,乙酸乙酯沸点：,77,为什么要使用水浴？,长导管的作用是什么？为什么不插入液面中？,浓硫酸起什么作用？,生成的乙酸乙酯中可能混入什么物质？,05,收集乙酸乙酯的试管里加入饱和碳酸钠溶液的作用是什么？,化工原料,媒染剂,industrial chemicals,mordant,用途,调味剂,有机溶剂,flavoring agent,organic solvent,生产染料、油漆、塑料、维尼纶、醋酸纤维,用乙酸制取的铝盐、铁盐、铬盐,THANKS,谢谢观看,