A Compendium of Chemistry Including General Inorganic And Organic Chemistry
The book A Compendium of Chemistry Including General Inorganic And Organic Chemistry was written by author Carl Arnold Here you can read free online of A Compendium of Chemistry Including General Inorganic And Organic Chemistry book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Compendium of Chemistry Including General Inorganic And Organic Chemistry a good or bad book?
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It is a dark-green heavy liquid which forms readily decomposable violet vapors and which on heating decomposes into 2Mn0 2 +30 with explosive violence, and gradually on standing. It has energetic action on paper, alcohol, etc. , inflaming them on contact therewith. Permanganic Acid, HMn0 4 . If a barium permanganate solution is treated with the necessary quantity of dilute sulphuric acid, a deep-red solution of permanganic acid is obtained. This latter decomposes even in the light or on warming..., with the generation of oxygen: 2HMnO 4 = H 2 O+30+2Mn0 2 . Permanganates are produced from the manganates by the action of chlorine or acids (see above), and are obtained as dark-violet crystal on the evaporation of the respective solution. These crystals are mostly isomorphous with the corresponding perchlorates. The permanganates are soluble in water or dilute acids without decom- position, and in the presence of bases they are converted into manga- nates: 2KMn0 4 +2KOH=2K 2 MnO 4 +H 2 + O. On heating they give off oxygen, 10KMn0 4 =3K 2 MnO 4 +7MnO 2 +2K 2 O+ 120, and in solution they also readily give off a part of their oxygen to oxidiza- ble bodies, and hence they are powerful oxidizing and disinfecting agents.
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