Question

Compare hydrogen and halogens on the basis of reaction with oxygen

Answer 1

Comparison of hydrogen and halogens based on their reactivity with oxygen.

• The element hydrogen and elements belonging to halogens react with oxygen differently.
• Hydrogen reacts with oxygen and forms a single oxide that is stable.
• For example, hydrogen reacts with oxygen and gives only one product which is water and it is highly stable.
• On the other hand, halogens react with oxygen and give binary compounds that are mostly unstable.

• For example, halogen such as Iodine combines with oxygen and yields oxides such as $I_2O_4, I_2O_5$  and $I_4O_9$.
• Among the three oxides, only $I_2O_5$ is most stable whereas the rest of the oxides are unstable.

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