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thallic

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thallic

thallic Sentence Examples

  • Thallium forms two series of salts: thallous, in which the metal is monovalent; and thallic, in which it is trivalent.

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  • In the thallous series many analogies with lead compounds are observed; in the thallic some resemblance to aluminium and gold.

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  • Thallic oxide, T10 or T1202, was obtained by 0.

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  • Thallic oxide, T1203, is obtained as a dark reddish powder, insoluble in water and alkalis, by plunging molten thallium into oxygen, or by electrolysing water, using a thallium anode.

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  • Thallic hydroxide, TI(OH) 31 is obtained as a brown precipitate by adding a hot solution of thallous chloride in sodium carbonate to a solution of sodium hypochlorite.

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  • The hydroxide is obtained as brown hexagonal plates by fusing thallic oxide with potash to which a little water has been added.

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  • Thallic chloride, T1C1 3, is obtained by treating the monochloride with chlorine under water; evaporation in a vacuum gives colourless deliquescent crystals of T1C1,.H20.

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  • The chlorine is not completely precipitated by silver nitrate in nitric acid solution, the ionization apparently not proceeding to all the chlorine atoms. Thallic iodide, T11 3, is interesting on account of its isomorphism with rubidium and caesium tri-iodides, a resemblance which suggests the formula T11 (12) for the salt, in which the metal is obviously monovalent.

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  • Thallic sulphate, T1 2 (SO 4) 3.7H 2 O, and thallic nitrate, Tl(NO 3) 3.8H 2 0, are obtained as colourless crystals on the evaporation of a solution of the oxide in the corresponding acid.

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  • Thallic salts are easily reduced to thallous by means of solution of sulphurous acid, and thus rendered amenable to the above reactions.

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