Elementi I jedinjenja VIB I VIIB grupe

Create an educational illustration depicting the periodic table elements VIB and VIIB groups, showcasing chromates and manganates in a colorful and informative layout.

Understanding the Chromate and Manganate Groups

Test your knowledge on the properties and reactions of elements from the VIB and VIIB groups in the periodic table with this engaging quiz. Dive deep into the world of chemistry and enhance your understanding!

11 thought-provoking questions
Covers chromates, manganates, and their reactions
Perfect for students and chemistry enthusiasts

11 Questions3 MinutesCreated by ExploringChemistry47

U reakciji soli hroma sa amonijum hidroksidom nastaje:

CrCl3

Cr(OH)3

Cr2O3

Na(Cr(OH)4)

Dodatkom kiseline u rastvor hromata nastaje dihromat. Promena boje je:

Iz žute u narandžastu

Iz narandžaste u žutu

BaCr₂O₇ je:

Talog naradžaste boje

Talog žute boje

Talog crvene boje

Rastvor naradžaste boje

U K₂Cr₂O₇ oksidacioni broj hroma je:

Elementi VIIB grupe su:

Re, Tc I Mn

Re, Tc I Mo

Cr, Mn I W

W, Tc I Mo

Mn(OH)₂ je:

Talog belo-smeđe boje

Rastvor belo-smeđe boje

Bezbojan rastvor

Zeleni rastvor

U reakciji KMnO₄ I MnSO₄ nastaje:

Talog MnO2

Rastvor MnO2

KMnO4 u kiseloj sredini menja oksidacioni broj u :

Za eksperiment "Hemijski vulkan" koristi se:

(NH4)2Cr2O7

(NH4)2CrO4

K2Cr2O7

K2CrO4

10% je koliko promila?

Unlock and Upgrade

Remove all limits from your Quizzes

Elementi I jedinjenja VIB I VIIB grupe

Understanding the Chromate and Manganate Groups

More Quizzes