Chemistry-Inorganic Chemistry
NEET Chemistry Oxidation States MCQ Question
Type: MCQ-Medium-Class 12
The stability of +1 oxidation state increases in the sequence:
A
Tl < In < Ga < Al
B
In < Tl < Ga < Al
C
Ga < In < Al < Tl
D
Al < Ga < In < Tl
Correct Answer
Option D
Detailed Explanation
The order is due to the 'inert pair effect', which makes the +1 oxidation state more stable as we move down the group.
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