Carbon, nitrogen and sulfur belong to the non-metals. Which statement about the oxides of these elements, $\text{XO}_2$, is correct? (Here X stands for carbon, nitrogen or sulfur.)
- AAll of the $\text{XO}_2$ molecules are linear.
- BIn $\text{XO}_2$, each element has its highest oxidation number.
- CAll $\text{XO}_2$ molecules dissolve in water to form dibasic acids.
- DAll $\text{XO}_2$ molecules are formed as a result of burning petrol in a car engine.