Which of the following elements is known for forming a stable +3 oxidation state

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Question: Which of the following elements is known for forming a stable +3 oxidation state? (2023)

Options:

Correct Answer: Aluminium

Exam Year: 2023

Solution:

Aluminium commonly forms a stable +3 oxidation state in its compounds.

Which of the following elements is known for forming a stable +3 oxidation state? (2023)

Which of the following elements is known for forming a stable +3 oxidation state? (2023)

Step 1: Understand what oxidation states are. Oxidation states indicate the charge of an atom in a compound.
Step 2: Identify the elements that can form a +3 oxidation state. Look for elements in the periodic table.
Step 3: Focus on Aluminium (Al). It is in Group 13 of the periodic table.
Step 4: Recognize that Aluminium commonly loses three electrons to achieve a +3 charge.
Step 5: Conclude that Aluminium is known for forming a stable +3 oxidation state in its compounds.

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