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class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?utm_source=donate&utm_medium=sidebar&utm_campaign=spontaneous&uselang=zh-hans"><span>资助维基百科</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:%E5%88%9B%E5%BB%BA%E8%B4%A6%E6%88%B7&returnto=%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4%28III%29%E9%85%B8%E9%92%BE" title="我们推荐您创建账号并登录，但这不是强制性的"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>创建账号</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:%E7%94%A8%E6%88%B7%E7%99%BB%E5%BD%95&returnto=%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4%28III%29%E9%85%B8%E9%92%BE" title="建议你登录，尽管并非必须。[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>登录</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> 未登录编辑者的页面 <a href="/wiki/Help:%E6%96%B0%E6%89%8B%E5%85%A5%E9%97%A8" aria-label="了解有关编辑的更多信息"><span>了解详情</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%B4%A1%E7%8C%AE" title="来自此IP地址的编辑列表[y]" accesskey="y"><span>贡献</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%AE%A8%E8%AE%BA%E9%A1%B5" title="对于来自此IP地址编辑的讨论[n]" accesskey="n"><span>讨论</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="站点"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="目录" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">目录</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">隐藏</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">序言</div> </a> </li> <li id="toc-制备" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#制备"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>制备</span> </div> </a> <ul id="toc-制备-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-物理性质" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#物理性质"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>物理性质</span> </div> </a> <ul id="toc-物理性质-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-化学性质" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#化学性质"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>化学性质</span> </div> </a> <button aria-controls="toc-化学性质-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>开关化学性质子章节</span> </button> <ul id="toc-化学性质-sublist" class="vector-toc-list"> <li id="toc-和酸反应" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#和酸反应"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>和酸反应</span> </div> </a> <ul id="toc-和酸反应-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-和盐溶液反应" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#和盐溶液反应"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>和盐溶液反应</span> </div> </a> <ul id="toc-和盐溶液反应-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-参考资料" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#参考资料"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>参考资料</span> </div> </a> <ul id="toc-参考资料-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="目录" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="开关目录" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">开关目录</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">六氰合钴(III)酸钾</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="前往另一种语言写成的文章。2种语言可用" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-2" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">2种语言</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%98%E3%82%AD%E3%82%B5%E3%82%B7%E3%82%A2%E3%83%8B%E3%83%89%E3%82%B3%E3%83%90%E3%83%AB%E3%83%88(III)%E9%85%B8%E3%82%AB%E3%83%AA%E3%82%A6%E3%83%A0" title="ヘキサシアニドコバルト(III)酸カリウム – 日语" lang="ja" hreflang="ja" data-title="ヘキサシアニドコバルト(III)酸カリウム" data-language-autonym="日本語" data-language-local-name="日语" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%93%D0%B5%D0%BA%D1%81%D0%B0%D1%86%D0%B8%D0%B0%D0%BD%D0%BE%D0%BA%D0%BE%D0%B1%D0%B0%D0%BB%D1%8C%D1%82%D0%B0%D1%82(III)_%D0%BA%D0%B0%D0%BB%D0%B8%D1%8F" title="Гексацианокобальтат(III) калия – 俄语" lang="ru" hreflang="ru" data-title="Гексацианокобальтат(III) калия" data-language-autonym="Русский" data-language-local-name="俄语" class="interlanguage-link-target"><span>Русский</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q15643860#sitelinks-wikipedia" title="编辑跨语言链接" class="wbc-editpage">编辑链接</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="命名空间"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE" title="浏览条目正文[c]" accesskey="c"><span>条目</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE" rel="discussion" title="关于此页面的讨论[t]" accesskey="t"><span>讨论</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown " > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="更改语言变体" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">不转换</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-varlang-0" class="selected ca-variants-zh mw-list-item"><a href="/zh/%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE" lang="zh" hreflang="zh"><span>不转换</span></a></li><li id="ca-varlang-1" class="ca-variants-zh-Hans mw-list-item"><a href="/zh-hans/%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE" lang="zh-Hans" hreflang="zh-Hans"><span>简体</span></a></li><li id="ca-varlang-2" class="ca-variants-zh-Hant mw-list-item"><a href="/zh-hant/%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE" lang="zh-Hant" hreflang="zh-Hant"><span>繁體</span></a></li><li id="ca-varlang-3" class="ca-variants-zh-Hans-CN mw-list-item"><a href="/zh-cn/%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE" lang="zh-Hans-CN" hreflang="zh-Hans-CN"><span>大陆简体</span></a></li><li id="ca-varlang-4" class="ca-variants-zh-Hant-HK mw-list-item"><a href="/zh-hk/%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE" lang="zh-Hant-HK" hreflang="zh-Hant-HK"><span>香港繁體</span></a></li><li id="ca-varlang-5" class="ca-variants-zh-Hant-MO mw-list-item"><a href="/zh-mo/%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE" lang="zh-Hant-MO" hreflang="zh-Hant-MO"><span>澳門繁體</span></a></li><li id="ca-varlang-6" class="ca-variants-zh-Hans-MY mw-list-item"><a href="/zh-my/%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE" lang="zh-Hans-MY" hreflang="zh-Hans-MY"><span>大马简体</span></a></li><li id="ca-varlang-7" class="ca-variants-zh-Hans-SG mw-list-item"><a href="/zh-sg/%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE" lang="zh-Hans-SG" hreflang="zh-Hans-SG"><span>新加坡简体</span></a></li><li id="ca-varlang-8" class="ca-variants-zh-Hant-TW mw-list-item"><a href="/zh-tw/%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE" lang="zh-Hant-TW" hreflang="zh-Hant-TW"><span>臺灣正體</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="查看"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE"><span>阅读</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE&action=edit" title="编辑该页面[e]" accesskey="e"><span>编辑</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE&action=history" title="本页面的早前版本。[h]" accesskey="h"><span>查看历史</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="页面工具"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="工具" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">工具</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">工具</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" 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ib-chembox nounderlines" cellspacing="0" cellpadding="3" rules="all" style="background-color:#f0f0f0; float:right; margin: 0 0 1em 1em; border-color: #aaaaaa; border-style:solid; border:1px; border-collapse:collapse; empty-cells:show; width:305px; font-size:90%;"> <tbody><tr> <th colspan="2" style="font-size:120%; text-align:center; background:#d6e0dc;">六氰合钴(III)酸钾 </th></tr> <tr> <td colspan="2" style="background:#ffffff; text-align:center;"><span typeof="mw:File"><a href="/wiki/File:K3Co(CN)6.jpg" class="mw-file-description" title="六氰合钴(III)酸钾晶体，纯度>99%."><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/K3Co%28CN%296.jpg/200px-K3Co%28CN%296.jpg" decoding="async" width="200" height="267" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/K3Co%28CN%296.jpg/300px-K3Co%28CN%296.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/55/K3Co%28CN%296.jpg/400px-K3Co%28CN%296.jpg 2x" data-file-width="2448" data-file-height="3264" /></a></span> </td></tr> <tr> <td colspan="2" style="max-width:305px; word-wrap: break-word; text-align: center;"><a href="/wiki/IUPAC%E5%91%BD%E5%90%8D%E6%B3%95" title="IUPAC命名法">IUPAC名</a><br />Potassium hexacyanocobaltate(III) </td></tr> <tr> <td>别名 </td> <td>钴(III)氰酸钾<br />高钴氰酸钾 </td></tr> <tr> <th style="background:#D6E0DC; text-align:center;" colspan="2">识别 </th></tr> <tr> <td><a href="/wiki/CAS%E5%8F%B7" title="CAS号">CAS号</a> </td> <td><span class="reflink plainlinks nourlexpansion"><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=13963-58-1">13963-58-1</a></span> <sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup> </td></tr> <tr> <th style="background:#D6E0DC; text-align:center;" colspan="2">性质 </th></tr> <tr> <td><a href="/wiki/%E5%8C%96%E5%AD%A6%E5%BC%8F" title="化学式">化学式</a> </td> <td><span lang="en">K<sub>3</sub>[Co(CN)<sub>6</sub>]</span> </td></tr> <tr> <td><a href="/wiki/%E6%91%A9%E5%B0%94%E8%B4%A8%E9%87%8F" title="摩尔质量">摩尔质量</a> </td> <td>332.335 g·mol⁻¹ </td></tr> <tr> <td>外观 </td> <td>黄色固体 </td></tr> <tr> <td><a href="/wiki/%E6%BA%B6%E8%A7%A3%E6%80%A7" class="mw-redirect" title="溶解性">溶解性</a>（<a href="/wiki/%E6%B0%B4" title="水">水</a>） </td> <td>极易溶于水<sup id="cite_ref-wj_1-0" class="reference"><a href="#cite_note-wj-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <th style="background:#D6E0DC; text-align:center;" colspan="2">相关物质 </th></tr> <tr> <td>其他<a href="/wiki/%E9%98%B3%E7%A6%BB%E5%AD%90" class="mw-redirect" title="阳离子">阳离子</a> </td> <td><a href="/wiki/%E5%85%AD%E6%B0%B0%E5%90%88%E9%93%81(III)%E9%85%B8%E9%92%BE" class="mw-redirect" title="六氰合铁(III)酸钾">六氰合铁(III)酸钾</a> </td></tr> <tr> <td style="background:#D6E0DC; text-align:center;" colspan="2">若非注明，所有数据均出自<a href="/wiki/%E6%A0%87%E5%87%86%E7%8A%B6%E6%80%81" title="标准状态">标准状态（25 ℃，100 kPa）</a>下。 </td></tr></tbody></table> <p><b>六氰合钴(III)酸钾</b>，又称<b>高钴氰酸钾</b>，是一种无机化合物，化学式为K<sub>3</sub>[Co(CN)<sub>6</sub>]。 </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="制备"><span id=".E5.88.B6.E5.A4.87"></span>制备</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE&action=edit&section=1" title="编辑章节：制备"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>六氰合钴(III)酸钾可由<a href="/wiki/%E6%B0%AF%E5%8C%96%E9%92%B4" class="mw-redirect" title="氯化钴">氯化钴</a>和<a href="/wiki/%E6%B0%B0%E5%8C%96%E9%92%BE" title="氰化钾">氰化钾</a>反应得到，反应过程中Co(II)被氧化至Co(III)：<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <dl><dd>CoCl<sub>2</sub> + 5 KCN → K<sub>3</sub>[Co(CN)<sub>5</sub>] + 2 KCl</dd></dl> <p>有氧存在时， </p> <dl><dd>2 K<sub>3</sub>[Co(CN)<sub>5</sub>] + O<sub>2</sub> → K<sub>6</sub>[(CN)<sub>5</sub>CoOOCo(CN)<sub>5</sub>]</dd> <dd>K<sub>6</sub>[(CN)<sub>5</sub>CoOOCo(CN)<sub>5</sub>] + 2 KCN → 2 K<sub>3</sub>[Co(CN)<sub>6</sub>] + K<sub>2</sub>O<sub>2</sub></dd></dl> <p>惰性气氛中， </p> <dl><dd>2 K<sub>3</sub>[Co(CN)<sub>5</sub>] + 2 KCN + 2 H<sub>2</sub>O —<sup><u>煮沸</u></sup>→ 2 K<sub>3</sub>[Co(CN)<sub>6</sub>] + H<sub>2</sub> + 2 KOH</dd></dl> <div class="mw-heading mw-heading2"><h2 id="物理性质"><span id=".E7.89.A9.E7.90.86.E6.80.A7.E8.B4.A8"></span>物理性质</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE&action=edit&section=2" title="编辑章节：物理性质"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>六氰合钴(III)酸钾极易溶于水，不溶于乙醇。有反磁性。<sup id="cite_ref-wj_1-1" class="reference"><a href="#cite_note-wj-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="化学性质"><span id=".E5.8C.96.E5.AD.A6.E6.80.A7.E8.B4.A8"></span>化学性质</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE&action=edit&section=3" title="编辑章节：化学性质"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="和酸反应"><span id=".E5.92.8C.E9.85.B8.E5.8F.8D.E5.BA.94"></span>和酸反应</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE&action=edit&section=4" title="编辑章节：和酸反应"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>六氰合钴(III)酸钾的水溶液在光照下会逐渐分解<sup id="cite_ref-fc_3-0" class="reference"><a href="#cite_note-fc-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>： </p> <dl><dd>K<sub>3</sub>[Co(CN)<sub>6</sub>] + H<sub>2</sub>O → K<sub>3</sub>[Co(CN)<sub>5</sub>OH] + HCN</dd></dl> <p>六氰合钴(III)酸钾和浓<a href="/wiki/%E7%A1%AB%E9%85%B8" title="硫酸">硫酸</a>反应，放出<a href="/wiki/%E4%B8%80%E6%B0%A7%E5%8C%96%E7%A2%B3" title="一氧化碳">一氧化碳</a><sup id="cite_ref-wj_1-2" class="reference"><a href="#cite_note-wj-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>： </p> <dl><dd>2 K<sub>3</sub>[Co(CN)<sub>6</sub>] + 11 H<sub>2</sub>SO<sub>4</sub>(浓) + 13 H<sub>2</sub>O → 3 K<sub>2</sub>SO<sub>4</sub> + 6 (NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub> + 2 CoSO<sub>4</sub> + 11 CO↑ + CO<sub>2</sub>↑</dd></dl> <p>和稀硫酸作用则放出<a href="/wiki/%E6%B0%B0%E5%8C%96%E6%B0%A2" title="氰化氢">氰化氢</a>： </p> <dl><dd>2 K<sub>3</sub>[Co(CN)<sub>6</sub>] + 6 H<sub>2</sub>SO<sub>4</sub>(稀) + 2 H<sub>2</sub>O → 3 K<sub>2</sub>SO<sub>4</sub> + 2 CoSO<sub>4</sub> + NH<sub>4</sub>HSO<sub>4</sub> + 11 HCN↑ + CO<sub>2</sub>↑</dd></dl> <p>和过量<a href="/wiki/%E7%A1%9D%E9%85%B8" title="硝酸">硝酸</a>反应，产生<a href="/wiki/%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8" title="六氰合钴(III)酸">六氰合钴(III)酸</a>： </p> <dl><dd>K<sub>3</sub>[Co(CN)<sub>6</sub>] + 3 HNO<sub>3</sub> —<sup><u>Δ</u></sup>→ H<sub>3</sub>[Co(CN)<sub>6</sub>] + 3 KNO<sub>3</sub></dd></dl> <p>和硝酸的反应，改变条件则按下方式进行： </p> <dl><dd>3 K<sub>3</sub>[Co(CN)<sub>6</sub>](浓) + 9 HNO<sub>3</sub> + H<sub>2</sub>O —<sup><u>Δ</u></sup>→ KH<sub>2</sub>Co<sub>3</sub>(CN)<sub>11</sub>·H<sub>2</sub>O(红色) + 8 KNO<sub>3</sub> + 6 HCN + HOCN + NO<sub>2</sub>↑</dd></dl> <div class="mw-heading mw-heading3"><h3 id="和盐溶液反应"><span id=".E5.92.8C.E7.9B.90.E6.BA.B6.E6.B6.B2.E5.8F.8D.E5.BA.94"></span>和盐溶液反应</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE&action=edit&section=5" title="编辑章节：和盐溶液反应"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>六氰合钴(III)酸钾可以和一些金属的盐溶液反应，产生沉淀：<sup id="cite_ref-fc_3-1" class="reference"><a href="#cite_note-fc-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <dl><dd>2 K<sub>3</sub>[Co(CN)<sub>6</sub>] + 3 ZnSO<sub>4</sub> → Zn<sub>3</sub>[Co(CN)<sub>6</sub>]<sub>2</sub>↓(白色) + 3 K<sub>2</sub>SO<sub>4</sub></dd> <dd>2 K<sub>3</sub>[Co(CN)<sub>6</sub>] + 3 FeSO<sub>4</sub> → Fe<sub>3</sub>[Co(CN)<sub>6</sub>]<sub>2</sub>↓(黄色) + 3 K<sub>2</sub>SO<sub>4</sub></dd> <dd>2 K<sub>3</sub>[Co(CN)<sub>6</sub>] + 3 CuSO<sub>4</sub> → Cu<sub>3</sub>[Co(CN)<sub>6</sub>]<sub>2</sub>↓ + 3 K<sub>2</sub>SO<sub>4</sub></dd> <dd>K<sub>3</sub>[Co(CN)<sub>6</sub>] + 3 AgNO<sub>3</sub> → Ag<sub>3</sub>[Co(CN)<sub>6</sub>]↓ + 3 KNO<sub>3</sub></dd></dl> <div class="mw-heading mw-heading2"><h2 id="参考资料"><span id=".E5.8F.82.E8.80.83.E8.B5.84.E6.96.99"></span>参考资料</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E9%92%BE&action=edit&section=6" title="编辑章节：参考资料"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <ol class="references"> <li id="cite_note-wj-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-wj_1-0"><sup><b>1.0</b></sup></a> <a href="#cite_ref-wj_1-1"><sup><b>1.1</b></sup></a> <a href="#cite_ref-wj_1-2"><sup><b>1.2</b></sup></a></span> <span class="reference-text">《无机化学丛书》. 第九卷锰分族铁系铂系. 谢高阳等. 科学出版社. P<sub>262</sub>. 钴(III)的阴离子络合物. <a href="/wiki/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90/9787030305459" class="internal mw-magiclink-isbn">ISBN 978-7-03-030545-9</a></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text">Paul S. Poskozim. The preparation of Potassium Hexacyanocobaltate(III). J. Chem. Educ., 1969, 46 (6): 384. DOI: 10.1021/ed046p384</span> </li> <li id="cite_note-fc-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-fc_3-0"><sup><b>3.0</b></sup></a> <a href="#cite_ref-fc_3-1"><sup><b>3.1</b></sup></a></span> <span class="reference-text">《无机化学反应方程式手册》.曹忠良王珍云编.湖南科学技术出版社.第十三章铁系元素. P<sub>368</sub>. 【K<sub>3</sub>[Co(CN)<sub>6</sub>]】</span> </li> </ol></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">检索自“<a dir="ltr" href="https://zh.wikipedia.org/w/index.php?title=六氰合钴(III)酸钾&oldid=72405384">https://zh.wikipedia.org/w/index.php?title=六氰合钴(III)酸钾&oldid=72405384</a>”</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:%E9%A1%B5%E9%9D%A2%E5%88%86%E7%B1%BB" title="Special:页面分类">分类</a>：<ul><li><a href="/wiki/Category:%E9%92%BE%E5%8C%96%E5%90%88%E7%89%A9" title="Category:钾化合物">钾化合物</a></li><li><a href="/wiki/Category:%E5%85%AD%E6%B0%B0%E5%90%88%E9%92%B4(III)%E9%85%B8%E7%9B%90" title="Category:六氰合钴(III)酸盐">六氰合钴(III)酸盐</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks 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