A molecule of the compound $\text{C}_4\text{H}_6$ is shown. This molecule takes part in two different addition reactions. It reacts by addition with excess bromine and also by addition with steam. One molecule of $\text{C}_4\text{H}_6$ reacts with ......1...... of bromine. When $\text{C}_4\text{H}_6$ reacts with steam, ......2...... is produced. Which words should go in gaps 1 and 2?
- Aone molecule; an alcohol
- Bone molecule; a carboxylic acid
- Ctwo molecules; an alcohol
- Dtwo molecules; a carboxylic acid