AIPMT MAINS2009Chemistry-Periodic Table
AIPMT MAINS 2009 Chemistry Oxidation States MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states?
A
3d⁵4s¹
B
3d⁵4s²
C
3d²4s²
D
3d³4s²
Correct Answer
Option B
Detailed Explanation
The element with the configuration 3d⁵4s² is manganese, which can exhibit a wide range of oxidation states from +2 to +7 due to the availability of both 3d and 4s electrons for bonding.
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