Question

The effective atomic number of Cr in [Cr(NH3)6]Cl3 is

Answer 1

effective atomic no. is the number of electrons with an atom ,here Cr is in +3 state means loss if 3 electrons, and a gain of 12 electrons due to `lone pair` given by the ligands-NH3. Hence eff. at. no.=24-3+12=33.

Answer 2

Answer:

$\red{q)The \: effective \: atomic \: number \: of \: Cr \: in \: [Cr(NH3)6]Cl3 \: is}$