Which of the following statements about the halogens is correct?
- AIodine cannot behave as an oxidising agent.
- BThe volatility of the elements increases from chlorine to iodine because of the increase in molecular size down the group.
- CWhen an equimolar mixture of chlorine and hydrogen is exploded, only one product is formed.
- DWhen concentrated sulfuric acid is added to solid sodium bromide, hydrogen sulfide is one of the products.