
Stopień utlenienia
Authored by Michał Jadwiszczak
Chemistry
6th Grade - University
Used 67+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
W którym związku chemicznym tlen występuje na -II stopniu utlenienia?
w wodze
w kwasie węglowym
w siarczanie(VI) baru
we wszystkich wymienionych związkach
w żadnym z wymienionych związków
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Stopień utlenienia tlenu wynosi 0 w...
cząsteczce tlenu
cząsteczce wody
cząsteczce nadtlenku wodoru
cząsteczce etanolu
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaki stopień utlenienia przyjmuje siarka w kwasie siarkowym(VI)?
+II
-II
+VI
-VI
+IV
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pierwiastki w stanie wolnym mają zawsze stopień utlenienia
-II
+I
+III
0
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Stopień utlenienia siarki w cząsteczkach lub jonach: , , , wynosi odpowiednio:
II, VI, IV, -II
VI, II, IV, VI
VI, -II, IV, IV
VI, -II, IV, VI
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wodór w większości związków przyjmuje stopień utlenienia
-I
+I
-II
0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oblicz stopnie utlenienia azotu w podanych substancjach: HNO2, NH3, N2O5
V, III, II
III, III, V
III, -III, V
V, III, V
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