Silver Chromate Precipitation
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://chemfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://chemfyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://chemfyi.com/entity//)Use the native HTML custom element.
2AgNO3 + K2CrO4 → Ag2CrO4↓ + 2KNO3
概要
Silver nitrate reacts with potassium chromate to form a brick-red precipitate of silver chromate (Ksp = 1.1 × 10⁻¹²). This reaction is the basis of the Mohr method for determining chloride concentration by titration with AgNO₃ using K₂CrO₄ indicator.
参加者
| 役割 | 物質 | 係数 | 状態 |
|---|---|---|---|
| 反応物 | Silver Nitrate AgNO₃ | 2 | (aq) |
| 生成物 | Potassium Nitrate KNO₃ | 2 | (aq) |
日常の例
The Mohr titration is used to measure salt content in food, measuring chloride by adding silver nitrate until the red silver chromate endpoint appears.
産業上の重要性
モール塩化物滴定は水質分析、食品科学、セメント産業における標準的な方法である。
特性
- タイプ
- Precipitation
- 可逆的
- いいえ
- エネルギー
- 発熱性
- ΔH
- -35.0 kJ/mol
関連する反応
Aluminum Hydroxide Precipitation
Barium Carbonate Precipitation
Barium Sulfate Precipitation
Cadmium Sulfide Precipitation (Yellow)
Calcium Fluoride Precipitation (Fluorite)
Calcium Phosphate Precipitation (Bone Mineral)
Chromium(III) Hydroxide Precipitation
Lead Carbonate Precipitation
Lead Chloride Precipitation
Iron(III) Hydroxide Precipitation
Frequently Asked Questions
What is the equation for Silver Chromate Precipitation?
The balanced equation is: 2AgNO₃ + K₂CrO₄ → Ag₂CrO₄↓ + 2KNO₃.
What type of reaction is Silver Chromate Precipitation?
Silver Chromate Precipitation is a precipitation reaction.
Is Silver Chromate Precipitation exothermic or endothermic?
Silver Chromate Precipitation is exothermic (releases energy). The enthalpy change (ΔH) is -35.0 kJ/mol.