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Pronunciation varies by accent · noun
(chemistry, obsolete) A cation, Rh₂(NH₃)₁₀⁶⁺, containing rhodium and ammonia..
Rhodammonium Compounds. By S. M. JÖRGENSEN (J. pr. Chem. [2], 25, 346-348).— The author has prepared and cursorily examined some of the rhodammonium compounds, and has found them to be strictly analogous to the cobalt- and chrom-ammonium compounds.
Rhodammonium Hydroxide, Rh₂(NH₃) ₁₀ (OH)₆, is obtained by warming rhodammonium chloride with water and silver oxide, and evaporating the solution.
When the ammoniacal compound is mixed with excess ammonia and the solution filtered and concentrated, a yellow salt is obtained, which, on treatment with water, loses ammonium chloride and forms rhodammonium trichloride, 10NH₃Rh₂Cl₆.
Other addition agents such as lead acetate and potassium dichromate, lead acetate and ammonium chloride, sodium thiosulphate with rhodammonium or with potassium dichromate and ammonium sulphate have been added
Use rhodammonium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Rhodammonium means (chemistry, obsolete) A cation, Rh₂(NH₃)₁₀⁶⁺, containing rhodium and ammonia..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Rhodammonium Compounds. By S. M. JÖRGENSEN (J. pr. Chem. [2], 25, 346-348).— The author has prepared and cursorily examined some of the rhodammonium compounds, and has found them to be strictly analogous to the cobalt- and chrom-ammonium compounds.
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