Chemistry-Transition Elements
NEET Chemistry Transition Elements Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 12
Assertion (A): Zn, Cd, and Hg are not considered transition elements. | Reason (R): These elements have completely filled d orbitals in both the ground state and their common oxidation states.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false.
Correct Answer
Option A
Detailed Explanation
Zn, Cd, and Hg have the electronic configuration (n-1)d^10 ns^2, meaning their d orbitals are completely filled in the ground state and their common oxidation states, which is why they are not considered transition elements.
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