Limonene, $\text{C}_{10}\text{H}_{16}$, has one 6-membered ring, and this is the sole cyclic part of its structure. What volume of hydrogen, at room conditions, is needed to react completely with the $\text{C=C}$ double bonds in one mole of limonene?
- A$12\,\text{dm}^3$
- B$24\,\text{dm}^3$
- C$48\,\text{dm}^3$
- D$72\,\text{dm}^3$