👉 The term "nitrosylsulphuric" refers to a type of organic compound that consists of two nitrogen atoms and one sulfur atom bonded together with an oxygen group. It is often referred to as a sulfurous acid, but it can also be called a nitroso acid or a nitric acid. Nitrosylsulphuric acids are highly reactive and can react with other substances in aqueous solution to produce nitrous gas, which is a colorless, odor