CH-1805
Oxidation states
Chemistry · Secondary 4 · Hard · Oxidation states
In which pair do the oxidation states of carbon have the same value?
1. Carbon monoxide, CO
2. Methane, CH₄
3. Calcium carbonate, CaCO₃
4. Carbon dioxide, CO₂
1. Carbon monoxide, CO
2. Methane, CH₄
3. Calcium carbonate, CaCO₃
4. Carbon dioxide, CO₂
- 3 and 4 only
- 1 and 2 only
- 1 and 3 only
- 2 and 4 only
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.