Elementi I jedinjenja VIB I VIIB grupe PSE
Explore the Fascinating World of VIB and VIIB Group Elements
Welcome to our quiz on the VIB and VIIB groups of the periodic table! Test your knowledge on the properties, reactions, and compounds of these intriguing elements.
Join us for a fun learning experience and discover:
- The exciting chemistry behind elements like Chromium and Manganese
- Key reactions and color changes in their compounds
- The significance of oxidation and reduction in various reactions
Prilikom termiĝkog razlaganja amonijum-dihromata kao produkti se dobijaju:
Cr2O3+N2+H2O
Cr2O3+O2+H2O
Cr2O3+N2+O2
Cr2O7+N2+H2O
U reakciji
CrCl3 + 3NH4OH → Cr(OH)3 + 3NH4Cl
Dobija se:
Talog zeleno-sive boje
Rastvor zeleno-sive boje
Talog zelene boje
Rastvor žute boje
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