Which of the following elements does not form a stable +4 oxidation state? (2023

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Question: Which of the following elements does not form a stable +4 oxidation state? (2023)

Options:

Correct Answer: Lead

Exam Year: 2023

Solution:

Lead does not form a stable +4 oxidation state; it is more stable in the +2 state.

Which of the following elements does not form a stable +4 oxidation state? (2023)

Which of the following elements does not form a stable +4 oxidation state? (2023)

Step 1: Understand what oxidation states are. Oxidation states indicate the charge of an element when it forms compounds.
Step 2: Know that some elements can have multiple oxidation states, like +2 and +4.
Step 3: Identify the elements in question. In this case, we are looking at lead (Pb).
Step 4: Research the common oxidation states of lead. Lead commonly has +2 and +4 oxidation states.
Step 5: Determine the stability of these oxidation states. Lead is more stable in the +2 oxidation state than in the +4 state.
Step 6: Conclude that lead does not form a stable +4 oxidation state.

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