亚硝酸是一种无机化合物，分子式为HNO2，无游离态，只能存在于稀的水溶液中，亮蓝色，为弱酸，电离平衡常数为4.6x10-4。 亚硝酸溶液遇微热即分解，酸酐为N2O3。

For most purposes, nitrous acid is usually formed in situ by the action of mineral acid on sodium nitrite: [10] It is mainly blue in colour. Reaction with two α-hydrogen atoms in ketones creates …

Nitrous Acid | HNO2 | CID 24529 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, …

[1] 亚硝酸用于从胺制备 重氮盐，所得重氮盐是 重氮偶联反应 中的试剂，可得到 偶氮染料。 在氣相中，平面亞硝酸分子可以採用順式和反式兩種形式。 反式在室溫下占主導地位， 紅外光譜 …

2024年12月18日 · Nitric acid (HNO3), also known as “aqua fortis” and “spirit of nitre”, is a highly corrosive and toxic strong acid that can cause severe burns. It is colorless when pure and a …

Nitrous acid (HNO 2 or HONO) reacts with aliphatic amines in a fashion that provides a useful test for distinguishing primary, secondary and tertiary amines. Nitrous acid is a Brønsted acid of …

What was the direction of the shift of the equilibrium to alleviate the added stress when adding H2SO4? Add 3 M H2SO4 dropwise to 0.1 M K2CrO4 until a noticeable color change appears. …

ChemSpider record containing structure, synonyms, properties, vendors and database links for Nitrous acid, 14797-65-0, IOVCWXUNBOPUCH-UHFFFAOYSA-N

Non-superimposable Spiro Amides.

2017年3月3日 · Solutions of NOx/HNO2 often takes on a light blue colour which could appear green, particularly in conjunction with some of the yellowish run-away products. I would go for …