1.

The effective atomic number of cobalt in the complex `[Co(NH_3)_6]^(3+)` isA. (a) `36`B. (b) `33`C. (c) `24`D. (d) `30`

Answer» Correct Answer - A
EAN=at. no. of central atom - oxidation state + 2 x (no. of ligands) `=27-3+2xx6=36`.


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