1.

Assertion (A): Cr with electronic configuration [Ar]3d^(5) 4s^(1) is more stable than (Ar) 3d^(4) 4s^(2s)Reason (R): Half filled orbitals have been found to have extra stability than partially filled orbitals

Answer»

A and R are CORRECT and R is the correct EXPLANATION of A
A and R are correct but R is not the correct explanation of A
A is correct but R is WRONG.
A is wrong but R is correct

Answer :a


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