Salts And Their Reactions; A Class-book Of Practical Chemistry by Leonard Dobbin

Salts And Their Reactions; A Class-book Of Practical Chemistry

byLeonard Dobbin

Paperback | February 5, 2012

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904. Excerpt: ... REACTIONS OF SALTS PART I.--DEALING CHIEFLY WITH THE REACTIONS DUE TO THE METALLIC RADICALS. SILVER. Basic oxide, Ag20. Examples of soluble silver salts:--Nitrate 4, chlorate, sulphate 4, acetate. REACTIONS OF SOLUTIONS OF SILVER SALTS. Hydrochloric acid produces a white curdy precipitate of silver chloride--AgN03 + HCl = HN03 + AgCl. Silver chloride is insoluble in dilute acids, and soluble in ammonia. It is also very appreciably soluble in concentrated solutions of many chlorides, including hydrochloric acid. (Note that silver salts insoluble in water are, as a rule, soluble in dilute nitric acid and in ammonia. Principal exceptions:--Insoluble in dilute nitric acid--chloride, bromide, iodide, cyanide, ferrocyanide, ferricyanide, thiocyanate, sulphide; insoluble in ammonia--iodide, ferrocyanide, sulphide. With the exception of the sulphide, insoluble silver salts generally dissolve in solutions of alkali cyanides, thiosulphates, and sulphites. For particulars, see under the reactions of these salts.) Hydrogen Sulphide produces a black precipitate of silver sulphide--2 AgN03 + H2S = 2 H N08 + Ag2S. (A similar action takes place with insoluble silver salts--2 AgCl + H2S = 2 HCl + Ag2S.) Silver sulphide is not soluble in dilute nitric acid or in ammonium hydrosulphide. Concentrated nitric acid decomposes silver sulphide with formation of soluble silver salt; aqua regia decomposes silver sulphide with formation of insoluble silver chloride. Potassium hydroxide produces a brown precipitate of silver hydroxide--AgN03 + KOH = KN03 + AgOH. This hydroxide decomposes very easily into silver oxide and water--2AgOH = Ag20 + H20. The precipitate is insoluble in excess of potassium hydroxide, Ammonia produces, with concentrated solutions, a brown precipitate of silve...

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Title:Salts And Their Reactions; A Class-book Of Practical ChemistryFormat:PaperbackDimensions:74 pages, 9.69 × 7.44 × 0.15 inPublished:February 5, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217550479

ISBN - 13:9780217550475

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