Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Aluminium is usually found in 
oxidation state. In contrast, thallium exists in 
and 
oxidation states. This is due to:
Text Solution
Verified by ExpertsThe correct answer is:
A
Due to the inert pair effect, thallium exists in more than one oxidation state. Also, for thallium 
oxidation state is more stable than 
oxidation state.
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