Q16 of 50 Page 122

Atomic number of Mn, Fe, Co and Ni are 25, 26 27 and 28 respectively.

Which of the following outer orbital octahedral complexes have same number of unpaired electrons?


[MnCl6]3–


Mn3+(3d4)



[CoF6]3–


Co3+ (3d6)



Both Co3+ and Mn3+ have the same number of unpaired electrons=4


Thus, Options A & C are the correct answers.

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