What is the common oxidation state of Group 13 elements? (2021)

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Question: What is the common oxidation state of Group 13 elements? (2021)

Options:

Correct Answer: +3

Exam Year: 2021

Solution:

Group 13 elements commonly exhibit a +3 oxidation state due to the loss of three valence electrons.

What is the common oxidation state of Group 13 elements? (2021)

What is the common oxidation state of Group 13 elements? (2021)

Step 1: Identify Group 13 elements. These include boron (B), aluminum (Al), gallium (Ga), indium (In), and thallium (Tl).
Step 2: Understand what oxidation state means. It refers to the charge of an atom after it has lost or gained electrons.
Step 3: Look at the electron configuration of Group 13 elements. They have three valence electrons in their outer shell.
Step 4: When these elements react, they tend to lose these three valence electrons.
Step 5: Losing three electrons results in a +3 charge, which is the oxidation state.
Step 6: Conclude that the common oxidation state for Group 13 elements is +3.

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