Atomic number of Mn, Fe and Co are 25, 26, 27 respectively. Which of the following inner orbital octahedral complex ions are diamagnetic?
A. [Co(NH3)6]3+
B. [Mn(CN)6]3-
C. [Fe(CN)6]3-
D. None of the above
Answer:A
Atomic number of Mn, Fe and Co are 25, 26, 27 respectively. Which of the following inner orbital octahedral complex ions are diamagnetic?
A. [Co(NH3)6]3+ B. [Mn(CN)6]3- C. [Fe(CN)6]3- D. None of the above
Explanation: Molecular orbital electronic configuration of Co3+ in [Co(NH3)6]3+ is