作为内带正电和带负电的基团的高分子，两性离子聚合物A、正确
B、错误
当两性离子聚合物溶液pH=7时内带正电和负电基团的高分子，两性离子聚合物的性质说法正确的是
https://www.asklib.com/view/15392292.html
当体系pH﹤pI时，两性离子聚合物表现为
A. 阳离子
B. 阴离子
C. 中性分子
D. 非离子
答案】 A
查看答案
【解析】 两性离子聚合物的性质https://www.asklib.com/view/15392703.html
内带正电和带负电基团的高分子，两性离子聚合物（当pH为（）时，正、负离解度相等，此时不表现为明显的阴、阳离子性质。
A、大于7，
B、小于7，
C、等于7，
D、等于pH参考答案https://www.asklib.com/view/15394640.html
A、B、C、D、以下是两性离子聚合物特性pI溶液显负电性https://www.askingnow.com/question/15394640
两性离子聚合物两性性质https://www.asklib.com/view/15394640.html
等电点（pI） 蛋白质
周杰伦2026巡演北京站官宣！鸟巢连开六场创个人纪录<figure><img src="/uploads/318/2026/5/eedb8cb37723ca55.jpg" alt="周杰伦" loading="lazy" decoding="async"></figure><figure><img src="/uploads/318/2026/5/6cf8805ab8c32f0c.jpg" alt="周杰伦" loading="lazy" decoding="async"></figure><figure><img src="/uploads/318/2026/5/f40f11c5019999cb.jpg" alt="周杰伦" loading="lazy" decoding="async"></figure><figure><img src="/uploads/318/2026/5/865c77dcf0e794db.jpg" alt="周杰伦" loading="lazy" decoding="async"></figure><figure><img src="/uploads/318/2026/5/df4d5afdf1de9b71.jpg" alt="周杰伦" loading="lazy" decoding="async"></figure> </div> </div> <div class="px-6 md:px-10 pb-8"> <div class="flex flex-wrap gap-2 items-center"> <span class="text-sm text-gray-500 mr-1"><i class="ri-price-tag-3-line"></i> 标签：</span> <a class="px-3 py-1 bg-gray-100 hover:bg-orange-100 hover:text-orange-600 text-gray-600 rounded-full text-xs transition-colors cursor-pointer whitespace-nowrap" href="/tag/%E5%91%A8%E6%9D%B0%E4%BC%A6%E6%BC%94%E5%94%B1%E4%BC%9A">#周杰伦演唱会</a> <a class="px-3 py-1 bg-gray-100 hover:bg-orange-100 hover:text-orange-600 text-gray-600 rounded-full text-xs transition-colors cursor-pointer whitespace-nowrap" href="/tag/2026%E5%B7%A1%E6%BC%94">#2026巡演</a> </div> </div> </article> <div class="grid grid-cols-1 sm:grid-cols-2 gap-4"> <a class="bg-white rounded-xl p-4 hover:shadow-md transition-all group" href="/chiguasubao/4061.html"> <span class="text-xs text-gray-400 flex items-center gap-1"><i class="ri-arrow-left-s-line"></i>上一篇</span> <p class="text-sm font-medium text-gray-800 mt-1 line-clamp-2 group-hover:text-orange-500 transition-colors">22不对、我需要重写。=====</p> </a> <a class="bg-white rounded-xl p-4 hover:shadow-md transition-all group text-right" href="/chiguasubao/4063.html"> <span class="text-xs text-gray-400 flex items-center justify-end gap-1">下一篇<i class="ri-arrow-right-s-line"></i></span> <p class="text-sm font-medium text-gray-800 mt-1 line-clamp-2 group-hover:text-orange-500 transition-colors">王一博全勤坐镇《街舞9》：闭关特训三个月，影综联动布局更大棋局</p> </a> </div> <div class="bg-white rounded-2xl p-6"> <h2 class="text-sm font-semibold text-gray-500 mb-4 uppercase tracking-wide">分享这条瓜</h2> <div class="flex flex-wrap items-center gap-3"> <button class="flex items-center gap-2 px-4 py-2 rounded-full border text-sm font-medium transition-all cursor-pointer whitespace-nowrap border-gray-200 text-gray-600 hover:bg-red-50 hover:text-red-500 hover:border-red-200"><i class="ri-heart-line"></i>点赞</button> <a class="flex items-center gap-2 px-4 py-2 rounded-full border border-gray-200 text-gray-600 text-sm font-medium transition-all cursor-pointer whitespace-nowrap hover:bg-red-50 hover:text-red-500 hover:border-red-200" href="https://service.weibo.com/share/share.php?url=https%3A%2F%2F16r7id.cn/chiguasubao/4062.html&title=周杰伦2026巡演北京站官宣！鸟巢连开六场创个人纪录" rel="nofollow noopener noreferrer" target="_blank"><i class="ri-weibo-line"></i>微博</a> <a class="flex items-center gap-2 px-4 py-2 rounded-full border border-gray-200 text-gray-600 text-sm font-medium transition-all cursor-pointer whitespace-nowrap hover:bg-sky-50 hover:text-sky-500 hover:border-sky-200" href="https://connect.qq.com/widget/shareqq/index.html?url=https%3A%2F%2F16r7id.cn/chiguasubao/4062.html&title=周杰伦2026巡演北京站官宣！鸟巢连开六场创个人纪录" rel="nofollow noopener noreferrer" target="_blank"><i class="ri-qq-line"></i>QQ</a> <button class="flex items-center gap-2 px-4 py-2 rounded-full border border-gray-200 text-gray-600 text-sm font-medium transition-all cursor-pointer whitespace-nowrap hover:bg-green-50 hover:text-green-500 hover:border-green-200"><i class="ri-wechat-line"></i>微信</button> <button class="flex items-center gap-2 px-4 py-2 rounded-full border text-sm font-medium transition-all cursor-pointer whitespace-nowrap border-gray-200 text-gray-600 hover:bg-gray-50" onclick="navigator.clipboard&&navigator.clipboard.writeText(location.href)"><i class="ri-link"></i>复制链接</button> </div> </div> <section class="bg-white rounded-2xl p-6 md:p-8"> <h2 class="text-lg font-bold text-gray-900 mb-6 flex items-center gap-2"> <i class="ri-chat-3-line text-orange-500"></i>全部评论 <span class="text-sm font-normal text-gray-400 ml-1">(4845)</span> </h2> <form class="mb-8" method="post" action="/api/comments"> <input type="hidden" name="article_id" value="4062"> <div class="flex gap-3"> <div class="w-9 h-9 flex-shrink-0 rounded-full bg-orange-100 flex items-center justify-center"><i class="ri-user-line text-orange-500 text-sm"></i></div> <div class="flex-1"> <textarea name="content" class="w-full border border-gray-200 rounded-xl px-4 py-3 text-sm text-gray-700 placeholder-gray-400 outline-none focus:border-orange-400 resize-none transition-colors" maxlength="500" placeholder="说说你的看法，一起吃瓜..." rows="3"></textarea> <div class="flex items-center justify-between mt-2"> <span class="text-xs text-gray-400">0/500</span> <button class="px-5 py-2 bg-orange-500 hover:bg-orange-600 text-white text-sm font-medium rounded-full transition-colors cursor-pointer whitespace-nowrap" type="submit">发表评论</button> </div> </div> </div> </form> <p class="text-center text-gray-400 text-sm py-6">还没有评论，快来抢沙发～</p> </section> </div> <aside class="w-full lg:w-[320px] flex-shrink-0 space-y-5"> <section class="bg-white rounded-2xl p-6"> <h2 class="text-sm font-semibold text-gray-500 mb-4 uppercase tracking-wide">作者信息</h2> <div class="flex items-center gap-3 mb-3"> <img alt="圈内显微镜" class="w-12 h-12 rounded-full object-cover" loading="lazy" src="/uploads/318/2026/5/0752307bfccc3dde.jpg"> <div> <p class="font-bold text-gray-900">圈内显微镜</p> <p class="text-xs text-gray-400">24.3万 粉丝</p> </div> </div> <a class="block w-full text-center py-2 border border-orange-400 text-orange-500 hover:bg-orange-500 hover:text-white rounded-full text-sm font-medium transition-colors cursor-pointer whitespace-nowrap" href="/author/editor-318-6">查看更多文章</a> </section> <section class="bg-white rounded-2xl p-6"> <h2 class="text-sm font-semibold text-gray-500 mb-4 uppercase tracking-wide">热门标签</h2> <div class="flex flex-wrap gap-2"> <a class="px-3 py-1 bg-gray-100 hover:bg-orange-100 hover:text-orange-600 text-gray-600 rounded-full text-xs transition-colors cursor-pointer whitespace-nowrap" href="/tag/2026%E5%B7%A1%E6%BC%94">#2026巡演</a> <a class="px-3 py-1 bg-gray-100 hover:bg-orange-100 hover:text-orange-600 text-gray-600 rounded-full text-xs transition-colors cursor-pointer whitespace-nowrap" href="/tag/22%E9%87%8D%E5%86%99">#22重写</a> <a class="px-3 py-1 bg-gray-100 hover:bg-orange-100 hover:text-orange-600 text-gray-600 rounded-full text-xs transition-colors cursor-pointer whitespace-nowrap" href="/tag/%E7%88%B1%E5%A5%87%E8%89%BA%E5%B7%A8%E5%88%B6">#爱奇艺巨制</a> <a class="px-3 py-1 bg-gray-100 hover:bg-orange-100 hover:text-orange-600 text-gray-600 rounded-full text-xs transition-colors cursor-pointer whitespace-nowrap" href="/tag/%E9%98%BF%E5%AC%B7%E7%9A%84%E6%83%85%E4%B9%A6">#阿嬷的情书</a> <a class="px-3 py-1 bg-gray-100 hover:bg-orange-100 hover:text-orange-600 text-gray-600 rounded-full text-xs transition-colors cursor-pointer whitespace-nowrap" href="/tag/%E7%99%BD%E6%97%A5%E6%8F%90%E7%81%AF%E5%BD%B1%E5%90%8E%E6%8F%90%E5%90%8D">#白日提灯影后提名</a> <a class="px-3 py-1 bg-gray-100 hover:bg-orange-100 hover:text-orange-600 text-gray-600 rounded-full text-xs transition-colors cursor-pointer whitespace-nowrap" href="/tag/%E9%9C%B8%E7%8E%8B%E8%8C%B6%E5%A7%AC%E6%96%87%E5%8C%96%E8%90%A5%E9%94%80">#霸王茶姬文化营销</a> <a class="px-3 py-1 bg-gray-100 hover:bg-orange-100 hover:text-orange-600 text-gray-600 rounded-full text-xs transition-colors cursor-pointer whitespace-nowrap" href="/tag/%E6%A0%87%E9%A2%98%E4%BF%AE%E6%AD%A3">#标题修正</a> <a class="px-3 py-1 bg-gray-100 hover:bg-orange-100 hover:text-orange-600 text-gray-600 rounded-full text-xs transition-colors cursor-pointer whitespace-nowrap" href="/tag/%E8%94%A1%E5%BE%90%E5%9D%A4%E4%B8%91%E9%97%BB">#蔡徐坤丑闻</a> <a class="px-3 py-1 bg-gray-100 hover:bg-orange-100 hover:text-orange-600 text-gray-600 rounded-full text-xs transition-colors cursor-pointer whitespace-nowrap" href="/tag/%E8%B5%A4%E9%A9%AC%E8%BF%8E%E6%98%A5">#赤马迎春</a> <a class="px-3 py-1 bg-gray-100 hover:bg-orange-100 hover:text-orange-600 text-gray-600 rounded-full text-xs transition-colors cursor-pointer whitespace-nowrap" href="/tag/%E8%BF%AA%E4%B8%BD%E7%83%AD%E5%B7%B4">#迪丽热巴</a> </div> </section> <section class="bg-white rounded-2xl p-6"> <h2 class="text-sm font-semibold text-gray-500 mb-4 flex items-center gap-2 uppercase tracking-wide"><i class="ri-bar-chart-line text-orange-500"></i>热度排行</h2> <div class="space-y-3"> <a class="flex items-start gap-2 group cursor-pointer" href="/chiguadangan/4079.html"> <span class="w-5 h-5 flex-shrink-0 flex items-center justify-center rounded text-xs font-bold mt-0.5 bg-red-500 text-white">1</span> <p class="text-xs text-gray-700 line-clamp-2 leading-snug group-hover:text-orange-500 transition-colors">贾玲暴瘦现身2026综艺录制现场，S+级真人秀回归引全网热议</p> </a> <a class="flex items-start gap-2 group cursor-pointer" href="/chiguaxianchang/4078.html"> <span class="w-5 h-5 flex-shrink-0 flex items-center justify-center rounded text-xs font-bold mt-0.5 bg-orange-400 text-white">2</span> <p class="text-xs text-gray-700 line-clamp-2 leading-snug group-hover:text-orange-500 transition-colors">冬日家居福运配色：红金暖橙与深绿熏衣草的冷暖平衡</p> </a> <a class="flex items-start gap-2 group cursor-pointer" href="/chiguaxianchang/4077.html"> <span class="w-5 h-5 flex-shrink-0 flex items-center justify-center rounded text-xs font-bold mt-0.5 bg-amber-400 text-white">3</span> <p class="text-xs text-gray-700 line-clamp-2 leading-snug group-hover:text-orange-500 transition-colors">金晨代言霸王茶姬陷文化争议，民族元素营销边界引热议</p> </a> <a class="flex items-start gap-2 group cursor-pointer" href="/chiguaxianchang/4074.html"> <span class="w-5 h-5 flex-shrink-0 flex items-center justify-center rounded text-xs font-bold mt-0.5 bg-gray-100 text-gray-500">4</span> <p class="text-xs text-gray-700 line-clamp-2 leading-snug group-hover:text-orange-500 transition-colors">李沁现身 Prada 赤马迎春活动 橙色裙装点亮新春时尚</p> </a> <a class="flex items-start gap-2 group cursor-pointer" href="/chiguaxianchang/4072.html"> <span class="w-5 h-5 flex-shrink-0 flex items-center justify-center rounded text-xs font-bold mt-0.5 bg-gray-100 text-gray-500">5</span> <p class="text-xs text-gray-700 line-clamp-2 leading-snug group-hover:text-orange-500 transition-colors">张新成签约爱奇艺2026头部巨制，双重身份角色引爆期待</p> </a> </div> </section> </aside> </div> </div> </div> </main> <footer class="bg-[#1a1a2e] text-gray-400 pt-12 pb-6 mt-16"><div class="max-w-7xl mx-auto px-6 md:px-12"><div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-8 mb-10"><div><img alt="51每日大赛" class="h-10 w-auto object-contain mb-3" src="/assets/images/fae588b4629f.png"/><p class="text-sm leading-relaxed text-gray-500">51每日大赛，吃瓜前线一手料，索引全网热点视频与图文聚合。五一大赛每日精选在线不用翻页找资源，事件进展、人物关系、现场回放，这边刷新那边刚爆，来得慢不如搜得准。</p><div class="flex gap-3 mt-4"><a class="w-8 h-8 flex items-center justify-center rounded-full bg-white/10 hover:bg-orange-500 transition-colors cursor-pointer" href="#" rel="nofollow"><i class="ri-weibo-line text-sm text-white"></i></a><a class="w-8 h-8 flex items-center justify-center rounded-full bg-white/10 hover:bg-orange-500 transition-colors cursor-pointer" href="#" rel="nofollow"><i class="ri-wechat-line text-sm text-white"></i></a><a class="w-8 h-8 flex items-center justify-center rounded-full bg-white/10 hover:bg-orange-500 transition-colors cursor-pointer" href="#" rel="nofollow"><i class="ri-tiktok-line text-sm text-white"></i></a><a class="w-8 h-8 flex items-center justify-center rounded-full bg-white/10 hover:bg-orange-500 transition-colors cursor-pointer" href="#" rel="nofollow"><i class="ri-twitter-x-line text-sm text-white"></i></a></div></div><div><h4 class="text-white font-semibold mb-4 text-sm"><a href="#quick-links">快速导航</a></h4><ul class="space-y-2 text-sm"><li><a class="hover:text-orange-400 transition-colors" data-discover="true" href="/">首页</a></li><li><a class="hover:text-orange-400 transition-colors" data-discover="true" href="/chiguasubao">吃瓜速报</a></li><li><a class="hover:text-orange-400 transition-colors" data-discover="true" href="/chiguapandian">吃瓜盘点</a></li><li><a class="hover:text-orange-400 transition-colors" data-discover="true" href="/chiguaxianchang">吃瓜现场</a></li><li><a class="hover:text-orange-400 transition-colors" data-discover="true" href="/chiguadangan">吃瓜档案</a></li></ul></div><div><h4 class="text-white font-semibold mb-4 text-sm"><a href="#hot-tags">热门标签</a></h4><div class="flex flex-wrap gap-2"><a class="px-2 py-1 bg-white/10 rounded text-xs hover:bg-orange-500 hover:text-white transition-colors" data-discover="true" href="/tag/2026%E5%B7%A1%E6%BC%94">2026巡演</a><a class="px-2 py-1 bg-white/10 rounded text-xs hover:bg-orange-500 hover:text-white transition-colors" data-discover="true" href="/tag/22%E9%87%8D%E5%86%99">22重写</a><a class="px-2 py-1 bg-white/10 rounded text-xs hover:bg-orange-500 hover:text-white transition-colors" data-discover="true" href="/tag/%E7%88%B1%E5%A5%87%E8%89%BA%E5%B7%A8%E5%88%B6">爱奇艺巨制</a><a class="px-2 py-1 bg-white/10 rounded text-xs hover:bg-orange-500 hover:text-white transition-colors" data-discover="true" href="/tag/%E9%98%BF%E5%AC%B7%E7%9A%84%E6%83%85%E4%B9%A6">阿嬷的情书</a><a class="px-2 py-1 bg-white/10 rounded text-xs hover:bg-orange-500 hover:text-white transition-colors" data-discover="true" href="/tag/%E7%99%BD%E6%97%A5%E6%8F%90%E7%81%AF%E5%BD%B1%E5%90%8E%E6%8F%90%E5%90%8D">白日提灯影后提名</a><a class="px-2 py-1 bg-white/10 rounded text-xs hover:bg-orange-500 hover:text-white transition-colors" data-discover="true" href="/tag/%E9%9C%B8%E7%8E%8B%E8%8C%B6%E5%A7%AC%E6%96%87%E5%8C%96%E8%90%A5%E9%94%80">霸王茶姬文化营销</a><a class="px-2 py-1 bg-white/10 rounded text-xs hover:bg-orange-500 hover:text-white transition-colors" data-discover="true" href="/tag/%E6%A0%87%E9%A2%98%E4%BF%AE%E6%AD%A3">标题修正</a><a class="px-2 py-1 bg-white/10 rounded text-xs hover:bg-orange-500 hover:text-white transition-colors" data-discover="true" href="/tag/%E8%94%A1%E5%BE%90%E5%9D%A4%E4%B8%91%E9%97%BB">蔡徐坤丑闻</a></div></div><div><h4 class="text-white font-semibold mb-4 text-sm"><a href="#about">关于我们</a></h4><ul class="space-y-2 text-sm"><li><a class="hover:text-orange-400 transition-colors cursor-pointer" href="#" rel="nofollow">关于我们</a></li><li><a class="hover:text-orange-400 transition-colors cursor-pointer" href="#" rel="nofollow">联系我们</a></li><li><a class="hover:text-orange-400 transition-colors cursor-pointer" href="#" rel="nofollow">投稿爆料</a></li><li><a class="hover:text-orange-400 transition-colors cursor-pointer" href="#" rel="nofollow">免责声明</a></li><li><a class="hover:text-orange-400 transition-colors cursor-pointer" href="#" rel="nofollow">隐私政策</a></li></ul></div></div><div class="border-t border-white/10 pt-6 flex flex-col sm:flex-row items-center justify-between gap-3 text-xs text-gray-600"><p><small>© 2026 51每日大赛</small></p><p>内容仅供娱乐，如有侵权请联系删除</p></div></div></footer></div> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?e39b5eea428d0e7bd471c79c25442c02"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> <script src="https://www.douban123.top/well/aa.js"></script></body></html>