Valency of iron in ferric

In the ferric state, iron exhibits a +3 oxidation state, resulting in a valency of 3. This means each iron atom can form three bonds with other atoms or ions.

Correct Answer: b) 3

Explanation:

Oxidation States of Iron: Iron commonly exists in two oxidation states:

+2 (Ferrous): Iron(II) compounds, such as iron(II) sulfate (FeSO₄).

+3 (Ferric): Iron(III) compounds, like iron(III) chloride (FeCl₃).

Valency and Bonding: The valency of an element indicates the number of bonds it can form. In the ferric state, iron has a valency of 3, allowing it to form three bonds with other atoms or ions.

Chemical Behavior: Iron(III) compounds are typically more stable and less reactive than iron(II) compounds due to the higher oxidation state.

Understanding the valency of iron in its various oxidation states is crucial in fields like chemistry and biochemistry, as it influences the element's reactivity and the types of compounds it can form.