WorksheetsOxidation states - big practice
Total questions: 40
Worksheet time: 17mins
What is the oxidation state of chlorine in a chloride ion?
+1
0
-1
What is the oxidation state of sulfur in a sulfide ion?
+2
+1
-1
-2
What is the oxidation state of oxygen in O2?
(a)
What is the oxidation state of hydrogen in elemental hydrogen?
(a)
What is the oxidation state of hydrogen in H2O?
-2
-1
+1
+2
What is the oxidation state of oxygen in H2O2?
(a)
What is the oxidation state of oxygen in H2SO4?
(a)
What is the oxidation state of sulfur in H2SO4?
(a)
What is the total of all the oxidation states in ammonium dichromate: (NH4)2Cr2O7?
(a)
What are the oxidation states of Hydrogen and Fluorine in HF?
H = -1
F = +1
H = +2
F = -2
H = 0
F = 0
H = +1
F = -1
What is the oxidation state of Copper in Cu2O and CuO?
Cu2O = +2
CuO = +1
Cu2O = +1
CuO = +2
Cu2O = +2
CuO = +2
Cu2O = +1
CuO = +1
What is the oxidation state of Iron in Fe(OH)3?
(a)
What is the oxidation state of S in H2S?
+2
+1
-2
-1
What is the oxidation state of hydrogen in H2SO4?
(a)
What is the oxidation state of sulfur in SO2?
(a)
What is the oxidation state of nitrogen in NH4+ ?
-5
-3
+3
+5
What is the oxidation state of nitrogen in NO2?
+4
+2
0
What is the oxidation state of nitrogen in N2O?
+2
+1
0
What is the oxidation state of nitrogen in NO3- ?
+3
+4
+5
+6
What is the formula for a nitrate (v) ion?
NO2-
NO-
NO3-
What is the oxidation state of nitrogen in N2O5?
+10
+5
+2
0
What is the oxidation state of sulfur in SO42-?
+6
+8
-8
-6
What is correct full name of this ion: SO42- ?
sulfide ion
sulfite ion
sulfate ion
sulfate (VI) ion
The ion SO32- is called a sulfite ion, but what is the oxidation state of sulfur in the sulfite ion
+6
+4
+2
0
In the thiosulfate ion, S2O32-, what is the oxidation state of the sulfur?
(a)
In the phosphate ion, PO43-, what is the oxidation state of the phosphorus?
(a)
What is the oxidation state of chromium in Cr2O72- ?
+14
+12
+6
+3
What is the oxidation state of chromium in CrO42- ?
0
+6
-2
+8
What is the oxidation state of hydrogen in H2O2 ?
(a)
What is the oxidation state of Ge in GeO2 ?
(a)
What is the oxidation state of oxygen in OF2 ?
(a)
What is the formula of a chlorate (I) ion ?
ClO2-
ClO3-
ClO4-
ClO-
What is the formula of a chlorate (III) ion ?
ClO2-
ClO3-
ClO4-
ClO-
What is the formula of a chlorate (V) ion ?
ClO2-
ClO3-
ClO4-
ClO-
What is the formula of a chlorate (VII) ion ?
ClO2-
ClO3-
ClO4-
ClO-
The ion: IO3- would have what name?
iodide
iodate (V)
iodate (VI)
iodine
What is the oxidation state of vanadium in the V2+ ion ?
(a)
What is the oxidation state of vanadium in the VO2+ ion ?
(a)
What is the oxidation state of vanadium in the VO2+ ion ?
(a)
What is the oxidation state of Manganese in MnO4- ?
+8
+7
+6
+5
