Question

The most powerful oxidising agent is ______.

Options

• fluorine

• chlorine

• bromine

• iodine

Answer 1

The most powerful oxidising agent is fluorine.

Explanation:

Fluorine has the highest oxidising power because it has the greatest tendency to gain electrons and undergo reduction. Its oxidising strength decreases down the group, making fluorine stronger than chlorine, bromine, and iodine. This is why fluorine can oxidise chloride, bromide, and iodide ions, displacing them from their salt solutions, whereas other halogens cannot oxidise all below them in the group.