Potassium dioxotetracyanorenate is an inorganic compound , a salt of potassium alkali metal and dioxotetracyanorenate acid of the formula K 3 [ReO 2 (CN) 4 ]. Under normal conditions, it is an orange crystal that is highly soluble in water .
| Potassium Dioxotetracyanorenate | |
|---|---|
| General | |
| Systematic name | Potassium Dioxotetracyanorenate |
| Chem. formula | K 3 [ReO 2 (CN) 4 ] |
| Physical properties | |
| condition | orange crystals |
| Molar mass | 369.54 g / mol |
| Density | 2.704 g / cm³ |
Getting
- Treatment of potassium hexachlororenite with a solution of potassium cyanide in the presence of hydrogen peroxide ;
- The reaction of potassium oxopentachlororenate with an alcoholic solution of potassium cyanide ;
- Recovery of potassium perrenate in the presence of KCN;
- Potassium cyanide oxidation of the substance K 4 [ReO 2 (CN) 4 ].
Properties
Potassium dioxotetracyanorenate forms crystals of cream, orange or brown color, trigonal syngony , space group P 1 , cell parameters a = 0.7470 nm , b = 0.7597 nm , c = 0.6329 nm , α = 105.37 ° , β = 110.20 ° , γ = 114.63 ° , Z = 1 .
It dissolves well in water, is stable in alkalis , and is destroyed in acids .
Literature
- Chemical Encyclopedia / Editorial: Zefirov N.S. et al. - M .: Big Russian Encyclopedia, 1998. - V. 5. - 783 p. - ISBN 5-85270-310-9 .
- Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
- Lidin R.A. and other Chemical properties of inorganic substances: Textbook. manual for universities. - 3rd ed., Rev. - M .: Chemistry, 2000 .-- 480 p. - ISBN 5-7245-1163-0 .
- Ripan R., Chetyanu I. Inorganic chemistry. Chemistry of metals. - M .: Mir, 1972. - T. 2. - 871 p.
- Inorganic Synthesis Guide: 6 Vol. / Ed. Brower, G. - Moscow : Mir, 1985 .-- V. 5 .-- 360 p.