1. Why is NaCl not called "Sodium(I) Chloride" ?
- Because sodium's O.N is always +1. Roman numerals are only used for variable oxidation state elements
- Because it should be Sodium Chloride (I)
- Because Chlorine is always -1, therefore sodium must be in a 1:1 ration hence NaCl
- Because the compound is so well known it becomes redundant
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Other questions in this quiz
2. Name this compound using oxidation number nomenclature: K2MnO4
- Potassium Manganate tetra oxide
- Potassium Manganate (VI)
- Potassium (I) Manganate
- Potassium (II) Manganate (VII)
3. Which of these isn't describing oxidation?
- Addition of Hydrogen
- The change that occurs to a reducing agent
- Addition of Oxygen
- Loss of electrons
4. The oxidation number of fluorine in a compound is __(a)___. Hydrogen has a number of +1 except with __(b)__ The oxidation number of oxygen in peroxides is __(c)__
- (a) 0 (b) Fluorine (c) -2
- (a) -1 (b) More electronegative elements like G1 and G2 metals (c) -1
- (a) -1 (b) Less electronegative elements like G1 metals (c) -1
- (a) +1 (b) Less electronegative elements like G7 (c) -2
5. What would Iron (III) Chloride be?