HCBBS Forum (English)
Submit Chemical Projects / Find Solutions
Amplify Your Requirements on a Broader Chemical Platform *Engineering · Technology · Equipment · Solutions*
Submit Request

【Daily Question】Theoretical Foundation 2019.5.29

2019-05-29View Original

Thread Content

This post was last edited by Qingse Nianhua on 2019-5-29 08:17. Multiple-choice question: For an AgI sol in which there is an excess of KI, which of the following electrolytes has the strongest coagulating ability? ( ) A. NaCl B. K3 C. MgSO4 D. FeCl3. Answer: D. The AgI colloid nuclei preferentially adsorb iodide ions, causing the colloid particles to carry a negative charge; the higher the valence of the cations, the stronger their coagulating ability. Tip: The answer will be visible upon reply

Submit a Project

**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections

Submit Request — Free Consultation

Disclaimer

This is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.