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<SPAN style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: 14px/26px 宋体; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px">乙醇分子中含有极化的氧氢键,电离时生成烷氧基负离子和质子。</SPAN><BR style="PADDING-BOTTOM: 0px; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/26px 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"><SPAN style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: 14px/26px 宋体; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"> CH3CH2OH→(可逆)CH3CH2O- + H+</SPAN><BR style="PADDING-BOTTOM: 0px; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/26px 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"><SPAN style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: 14px/26px 宋体; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"> 乙醇的pKa=15.9,与水相近。</SPAN><BR style="PADDING-BOTTOM: 0px; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/26px 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"><SPAN style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: 14px/26px 宋体; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"> 乙醇的酸性很弱,但是电离平衡的存在足以使它与重水之间的同位素交换迅速进行。</SPAN><BR style="PADDING-BOTTOM: 0px; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/26px 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"><SPAN style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: 14px/26px 宋体; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"> CH3CH2OH+D2O→(可逆)CH3CH2OD+HOD</SPAN><BR style="PADDING-BOTTOM: 0px; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/26px 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"><SPAN style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: 14px/26px 宋体; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"> 因为乙醇可以电离出极少量的氢离子,所以其只能与少量金属(主要是碱金属)反应生成对应的醇金属以及氢气:</SPAN><BR style="PADDING-BOTTOM: 0px; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/26px 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"><SPAN style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: 14px/26px 宋体; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"> 2CH3CH2OH + 2Na→2CH3CH2ONa + H2↑</SPAN><BR style="PADDING-BOTTOM: 0px; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/26px 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"><SPAN style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: 14px/26px 宋体; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"> 乙醇可以和高活跃性金属反应,生成醇盐和氢气。</SPAN><BR style="PADDING-BOTTOM: 0px; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/26px 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"><SPAN style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: 14px/26px 宋体; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"> 醇金属遇水则迅速水解生成醇和碱</SPAN><BR style="PADDING-BOTTOM: 0px; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/26px 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"><SPAN style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: 14px/26px 宋体; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"> 结论:</SPAN><BR style="PADDING-BOTTOM: 0px; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/26px 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"><SPAN style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: 14px/26px 宋体; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"> (1)乙醇可以与金属钠反应,产生氢气,但不如水与金属钠反应剧烈。</SPAN><BR style="PADDING-BOTTOM: 0px; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT: 14px/26px 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; PADDING-TOP: 0px; -webkit-text-stroke-width: 0px"><SPAN style="TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; DISPLAY: inline !important; FONT: 14px/26px 宋体; WHITE-SPACE: normal; FLOAT: none; LETTER-SPACING: normal; COLOR: rgb(102,102,102); WORD-SPACING: 0px; -webkit-text-stroke-width: 0px"> (2)活泼金属(钾、钙、钠、镁、铝)可以将乙醇羟基里的氢取代出来。<SPAN style="FONT-FAMILY: 宋体; COLOR: red; FONT-SIZE: 12pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US><A href="http://www.xssjzy.com/"><SPAN style="COLOR: red" lang=EN-US><SPAN lang=EN-US>回收废乙醇</SPAN></SPAN></A></SPAN><SPAN style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA" lang=EN-US> </SPAN></SPAN>
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