Reducing-agents Sentence Examples
The molybdates may be recognized by the fact that they give a white precipitate on the addition of hydrochloric or nitric acids to their solutions, and that with reducing agents (zinc and sulphuric acid) they give generally a blue coloration which turns to a green and finally to a brown colour.
The stronger argument against the ethylenoid linkages demanded by Kekule's formula is provided by the remarkable stability towards oxidizing and reducing agents which characterizes all benzenoid compounds.
Wallach, Ber., 1881, 14, P. 421); by the action of reducing agents on nitroparaffins; by the action of zinc and hydrochloric acid on aldehyde ammonias (German Patent 73,812); by the reduction of the phenylhydrazones and oximes of aldehydes and ketones with sodium amalgam in the presence of alcohol and sodium acetate (J.
On the other hand, it is readily attacked by reducing agents.
They are crystalline solids which are readily converted into para-alkylated phenols by reducing agents.Advertisement
The cyanides are usually reducing agents.
By oxidizing agents they are converted into azoxy compounds, and by reducing agents into hydrazo compounds or amines.
Oxidizing agents readily convert it into selenic acid, whilst reducing agents transform it into selenium.
By reducing agents such, for example, as sulphuretted hydrogen and sulphur-dioxide, it is rapidly converted into hydrobromic acid.
They react as reducing agents.Advertisement
They also act in many cases as reducing agents.
The important reducing agents include hydrogen, hydrides such as those of iodine, sulphur, phosphorus, &c., carbon, many metals, potassium, sodium, aluminium, magnesium, &c., salts of lower oxyacids, lower salts of metals and lower oxides.
This is best shown in the fact that Sn 2+ ions in solution are good reducing agents.
The first process never extracts all the bismuth, as much as onethird being retained in the matte or speiss; the second is more satisfactory, since the extraction is more complete, and also allows the addition of reducing agents to decompose any admixed bismuth oxide or sulphide.