Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Following Sidwick's rule of EAN, Co(CO) x will be
Text Solution
Verified by ExpertsThe correct answer is:
C
Oxidation state of cobalt in Co 2 (CO) 8 = 2x + 8 (–0) = or x = 0
So EAN = 27 + 1 + 8 = 36. As it will be the atomic number of Kr and according to EAN rule, the complex having EAN equal to noble gas is more stable.
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