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Coordination Chemistry
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Which of the following complexes are diamagnetic?
(1) [Co(NH3)6]3+
(2) [W(CO)6]
(3) [Cr(NH3)6]3+
(4) [Fe(CN)6]3-
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A
1 and 2 only
💡 Explanation:
[Co(NH3)6]3+ - t2g6 eg0 ; no unpaired electrons; diamagnetic
[W(CO)6] - t2g6 eg0 ; no unpaired electrons; diamagnetic