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Formulae and oxidation numbers

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Last updated about 1 year ago
8 questions
4
5
1
1
1
1
1
1
Question 1
1.

What is the oxidation number of iron in each of these compounds?

  • Fe(OH)3
  • FeCl2
  • +1
Question 2
2.

What is the oxidation number of carbon in each of these compounds?

  • CO
Question 3
3.

What is the name of this compound?

Question 4
4.

What is the name of this compound?

Question 5
5.

What is the oxidation number of chromium in the dichromate ion?

Question 6
6.

What is the name of this compound?

Question 7
7.

Click on the maths keyboard to subscript the numbers:
Write the chemical formula for sodium hydrogen carbonate

Question 8
8.

Click on the maths keyboard to subscript the numbers:
Write the chemical formula for aluminium nitrate

Fe3(PO4)2
FeSO4
+2
+3
-3
-2
-1
CO2
H2CO3
C
CH4
+1
+2
+3
+4
-2
-1
0