1.

The effective atomic number of Cr(at. No. 24) in `[Cr(NH_(3))_(6)]Cl_(3)` isA. 35B. 27C. 33D. 36

Answer» Correct Answer - C
Effective atomic number = Elecrtrons on `Cr^(3+) +` Electrons from 6 `NH_(3)` ligands .
`=21 +6 xx 2 = 21 + 12 = 33`.


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