Elementi I jedinjenja VIIIB grupe PSE

A vibrant and educational illustration depicting various transition metals, their compounds, and reactions in a laboratory setting, with a focus on colors and chemical symbols.

Explore Transition Metals Quiz

Test your knowledge of the transition metals in group VIIIB of the periodic table! This quiz covers crucial concepts ranging from reactions, color changes, to ion behavior.

Participate and see how well you understand:

  • The reactions of iron and cobalt compounds
  • Hydrolysis of metal salts
  • Color associations of metal complexes
9 Questions2 MinutesCreated by ExaminingChemistry27
Ime I prezime
U reakciji gvožđe(II)-sulfata sa natrijum hidroksidom dobija se:
Talog gvožđe(II)hidroksid
Talog gvožđe(III)hidroksid
Rastvor gvožđe(II)hidroksid
Rastvor gvožđe(III)hidroksid
Feri hidroksid se:
Ne rastvara u NaOH
Rastvara u NaOH
Usled hidrolize soli gvožđe(III)-hlorida sredina je:
Kisela
Bazna
Rastvor amonijum-heksatiocijanato ferat(III) je:
Crvene boje
Plave boje
Žute boje
Zelene boje
Gvožđe(II) jon je u reakciji sa KMnO4:
Redukciono sredstvo
Oksidaciono sredstvo
Talog Co(OH)2 je:
Ružiĝast
Plav
Zelen
Žut
Tetrahloro kobaltat(II) jon je:
(CoCl4)2-
(CoCl4)1-
(CoCl4)2+
(CoCl4)1+
Rastvor nikl(II)-hlorid je:
Bledo zelen
Bledo roze
Žut
Plav
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