File:44. Комплекси на никел.ogg
Original file (Ogg multiplexed audio/video file, Theora/Vorbis, length 30 s, 1,920 × 1,080 pixels, 10.19 Mbps overall, file size: 35.93 MB)
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English: Nickel complexes
- Aqueous solutions of Ni2+ salts can form different complexes and precipitates with different ligands. Depending on the ligands, these complexes can have various colors. In 5 glasses, there is small amount of 5 different ligands: water, ammonia, ethylenediamine, dimethylglyoxime and potassium cyanide. In each glass, an aqueous solution of nickel(II) chloride is added and colorful complexes are formed: Ni(H2O)62+ (green color solution), Ni(NH3)62+ (blue color solution), Ni(en)32+ (purple color solution), Ni(DMG)22+ (pink precipitate) и Ni(CN)42– (yellow color solution), respectively. Planned and performed by Marina Stojanovska, Miha Bukleski and Vladimir Petruševski, Department of Chemistry, FNSM, Ss. Cyril and Methodius University, Skopje, Macedonia.Македонски: Комплекси на никел
- Водните раствори на Ni2+ солите, со различни лиганди, образуваат различно обоени соединенија и талози. Во 5 чаши има мало количество од различни лиганди и тоа: вода, амонијак, етилендиамин, диметилглиоксим и калиум цијанид. Кон секоја од чашите се додава воден раствор од никел(II) хлорид и при тоа се образуваат комплекси: Ni(H2O)62+ (раствор со зелена боја), Ni(NH3)62+ (раствор со сина боја), Ni(en)32+ (раствор со виолетова боја), Ni(DMG)22+ (розов талог) и Ni(CN)42– (раствор со жолта боја), соодветно. Осмислено и изведено од Марина Стојановска, Миха Буклески и Владимир Петрушевски, Институт за хемија, ПМФ, УКИМ, Скопје. |
| Date | |
| Source | Own work |
| Author | Deni Ingilizovski |
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| current | 11:05, 3 September 2021 | 30 s, 1,920 × 1,080 (35.93 MB) | Dandarmkd (talk | contribs) | Uploaded own work with UploadWizard |
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