HCBBS Forum (English)
HomeForumView Original
Submit Chemical Projects / Find Solutions
Amplify Your Requirements on a Broader Chemical Platform *Engineering · Technology · Equipment · Solutions*
Submit Request
English Translations » 化工分析圈 » 【Daily Question】Chemical Analysis Edition, 2019.12.20

【Daily Question】Chemical Analysis Edition, 2019.12.20

2019-12-20View Original

Thread Content

This post was last edited by zjp on 2019-12-20 08:25. Multiple-choice question: The indirect iodine method requires that the determination be carried out in a neutral or weakly acidic medium; if the acidity is too high, it will (). A. The reaction is not quantitative; B. I2 is volatile; C. The endpoint is not distinct; D. I- is oxidized and Na2S2O3 is decomposed. D
Reply #22019-12-20
D, I- is oxidized, and Na2S2O3 is decomposed
Reply #32019-12-20
D, I- is oxidized, and Na2S2O3 is decomposed

Related Threads in This Forum

← Previous

Next →

Translated at 2026-07-23 10:34:06

Original: https://bbs.hcbbs.com/thread-2868211-1-1.html

© 2026 HCBBS Forum. Content translated for international readers.

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.

Quick Links