Multiple choice

Which of the following complexes are diamagnetic? (1) [Co(NH3)6]3+
(2) W(CO)6 [Cr(NH3)6]3+
(4) [Fe(CN)6]3-

  1. 1 and 2 only

  2. 1 and 3 only

  3. 2 and 3 only

  4. 2 and 4 only

  5. 2, 3, and 4 only
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

[Co(NH3)6]3+ - t2g6 eg0 ; no unpaired electrons; diamagnetic [W(CO)6] - t2g6 eg0 ; no unpaired electrons; diamagnetic

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