2023高考化学实验：酸碱指示剂
<p>同学们都在忙碌地复习自己的功课，为了帮助大家能够在考前对自己多学的知识点有所巩固，下文整理了这篇高考化学实验：酸碱指示剂，希望可以帮助到大家!</p><p><table cellspacing="0" cellpadding="0" width="647"><tbody><tr><td width="38"><p><strong>序号</strong></p><p><strong>(No.)</strong></p></td><td width="138"><p><strong>名称(Name)</strong></p></td><td width="73"><p><strong>pH变色范围</strong></p><p><strong>(pH transition interval)</strong></p></td><td width="61"><p><strong>酸色</strong></p><p><strong>(Acid color)</strong></p></td><td width="61"><p><strong>碱色</strong></p><p><strong>(Base color)</strong></p></td><td width="40"><p><strong>p<em>K</em><sub>a</sub></strong></p></td><td width="124"><p><strong>浓度</strong></p><p><strong>(Concentration)</strong></p></td></tr><tr><td width="38"><p><strong>1</strong></p></td><td width="138"><p><strong>甲基紫（第一次变色）</strong></p></td><td width="73"><p><strong>0.13～0.5</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="61"><p><strong>绿</strong></p></td><td width="40"><p><strong>0.8</strong></p></td><td width="124"><p><strong>0.1%水溶液</strong></p></td></tr><tr><td width="38"><p><strong>2</strong></p></td><td width="138"><p><strong>甲酚红（第一次变色）</strong></p></td><td width="73"><p><strong>0.2～1.8</strong></p></td><td width="61"><p><strong>红</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="40"><p><strong>-</strong></p></td><td width="124"><p><strong>0.04%乙醇（50%）溶液</strong></p></td></tr><tr><td width="38"><p><strong>3</strong></p></td><td width="138"><p><strong>甲基紫（第二次变色）</strong></p></td><td width="73"><p><strong>1.0～1.5</strong></p></td><td width="61"><p><strong>绿</strong></p></td><td width="61"><p><strong>蓝</strong></p></td><td width="40"><p><strong>-</strong></p></td><td width="124"><p><strong>0.1%水溶液</strong></p></td></tr><tr><td width="38"><p><strong>4</strong></p></td><td width="138"><p><strong>百里酚蓝（第一次变色）</strong></p></td><td width="73"><p><strong>1.2～2.8</strong></p></td><td width="61"><p><strong>红</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="40"><p><strong>1.65</strong></p></td><td width="124"><p><strong>0.1%乙醇（20%）溶液</strong></p></td></tr><tr><td width="38"><p><strong>5</strong></p></td><td width="138"><p><strong>茜素黄R（第一次变色）</strong></p></td><td width="73"><p><strong>1.9～3.3</strong></p></td><td width="61"><p><strong>红</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="40"><p><strong>-</strong></p></td><td width="124"><p><strong>0.1%水溶液</strong></p></td></tr><tr><td width="38"><p><strong>6</strong></p></td><td width="138"><p><strong>甲基紫（第三次变色）</strong></p></td><td width="73"><p><strong>2.0～3.0</strong></p></td><td width="61"><p><strong>蓝</strong></p></td><td width="61"><p><strong>紫</strong></p></td><td width="40"><p><strong>-</strong></p></td><td width="124"><p><strong>0.1%水溶液</strong></p></td></tr><tr><td width="38"><p><strong>7</strong></p></td><td width="138"><p><strong>甲基黄</strong></p></td><td width="73"><p><strong>2.9～4.0</strong></p></td><td width="61"><p><strong>红</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="40"><p><strong>3.3</strong></p></td><td width="124"><p><strong>0.1%乙醇(90%)溶液</strong></p></td></tr><tr><td width="38"><p><strong>8</strong></p></td><td width="138"><p><strong>溴酚蓝</strong></p></td><td width="73"><p><strong>3.0～4.6</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="61"><p><strong>蓝</strong></p></td><td width="40"><p><strong>3.85</strong></p></td><td width="124"><p><strong>0.1%乙醇（20%）溶液</strong></p></td></tr><tr><td width="38"><p><strong>9</strong></p></td><td width="138"><p><strong>甲基橙</strong></p></td><td width="73"><p><strong>3.1～4.4</strong></p></td><td width="61"><p><strong>红</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="40"><p><strong>3.40</strong></p></td><td width="124"><p><strong>0.1%水溶液</strong></p></td></tr><tr><td width="38"><p><strong>10</strong></p></td><td width="138"><p><strong>溴甲酚绿</strong></p></td><td width="73"><p><strong>3.8～5.4</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="61"><p><strong>蓝</strong></p></td><td width="40"><p><strong>4.68</strong></p></td><td width="124"><p><strong>0.1%乙醇（20%）溶液</strong></p></td></tr><tr><td width="38"><p><strong>11</strong></p></td><td width="138"><p><strong>甲基红</strong></p></td><td width="73"><p><strong>4.4～6.2</strong></p></td><td width="61"><p><strong>红</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="40"><p><strong>4.95</strong></p></td><td width="124"><p><strong>0.1%乙醇（60%）溶液</strong></p></td></tr><tr><td width="38"><p><strong>12</strong></p></td><td width="138"><p><strong>溴百里酚蓝</strong></p></td><td width="73"><p><strong>6.0～7.6</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="61"><p><strong>蓝</strong></p></td><td width="40"><p><strong>7.1</strong></p></td><td width="124"><p><strong>0.1%乙醇（20%）</strong></p></td></tr><tr><td width="38"><p><strong>13</strong></p></td><td width="138"><p><strong>中性红</strong></p></td><td width="73"><p><strong>6.8～8.0</strong></p></td><td width="61"><p><strong>红</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="40"><p><strong>7.4</strong></p></td><td width="124"><p><strong>0.1%乙醇（60%）溶液</strong></p></td></tr><tr><td width="38"><p><strong>14</strong></p></td><td width="138"><p><strong>酚红</strong></p></td><td width="73"><p><strong>6.8～8.0</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="61"><p><strong>红</strong></p></td><td width="40"><p><strong>7.9</strong></p></td><td width="124"><p><strong>0.1%乙醇（20%）溶液</strong></p></td></tr><tr><td width="38"><p><strong>15</strong></p></td><td width="138"><p><strong>甲酚红（第二次变色）</strong></p></td><td width="73"><p><strong>7.2～8.8</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="61"><p><strong>红</strong></p></td><td width="40"><p><strong>8.2</strong></p></td><td width="124"><p><strong>0.04%乙醇（50%）溶液</strong></p></td></tr><tr><td width="38"><p><strong>16</strong></p></td><td width="138"><p><strong>百里酚蓝（第二次变色）</strong></p></td><td width="73"><p><strong>8.0～9.6</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="61"><p><strong>蓝</strong></p></td><td width="40"><p><strong>8.9</strong></p></td><td width="124"><p><strong>0.1%乙醇（20%）溶液</strong></p></td></tr><tr><td width="38"><p><strong>17</strong></p></td><td width="138"><p><strong>酚酞</strong></p></td><td width="73"><p><strong>8.2～10.0</strong></p></td><td width="61"><p><strong>无色</strong></p></td><td width="61"><p><strong>紫红</strong></p></td><td width="40"><p><strong>9.4</strong></p></td><td width="124"><p><strong>0.1%乙醇（60%）溶液</strong></p></td></tr><tr><td width="38"><p><strong>18</strong></p></td><td width="138"><p><strong>百里酚酞</strong></p></td><td width="73"><p><strong>9.4～10.6</strong></p></td><td width="61"><p><strong>无色</strong></p></td><td width="61"><p><strong>蓝</strong></p></td><td width="40"><p><strong>10.0</strong></p></td><td width="124"><p><strong>0.1%乙醇（90%）溶液</strong></p></td></tr><tr><td width="38"><p><strong>19</strong></p></td><td width="138"><p><strong>茜素黄R（第二次变色）</strong></p></td><td width="73"><p><strong>10.1～12.1</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="61"><p><strong>紫</strong></p></td><td width="40"><p><strong>11.16</strong></p></td><td width="124"><p><strong>0.1%水溶液</strong></p></td></tr><tr><td width="38"><p><strong>20</strong></p></td><td width="138"><p><strong>靛胭脂红</strong></p></td><td width="73"><p><strong>11.6～14.0</strong></p></td><td width="61"><p><strong>蓝</strong></p></td><td width="61"><p><strong>黄</strong></p></td><td width="40"><p><strong>12.2</strong></p></td><td width="124"><p><strong>25%乙醇（50%）溶液</strong></p></td></tr></tbody></table>
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