Question
Question: Select the correct statement....
Select the correct statement.
A
Complex ion [MoCl6]3– is paramagnetic.
B
Complex ion [Co(en)3]3+ is diamagnetic.
C
Both (1) and (2) are correct.
D
None of correct.
Answer
Both (1) and (2) are correct.
Explanation
Solution
(1) Mo3+, 4d3

4d3 contains three unpaired electrons with strong field as well as with weak field ligand.
(2) It is inner orbital complex (d2sp3) and all six electrons are paired as 3d6 configuration has higher CFSE.