Write down the IUPAC name for each of the following complexes and indicate the oxidation state, electronic configuration and coordination number. Also give stereochemistry and magnetic moment of the complex.. i) `K[Cr(H_2 O)_2(C_2 O_4)_2] 3H_2 O` ii) `[CrCl_3(Py)]_3` iii) `K_4[Mn(CN)_6]` iv) `[Co(NH_3)_5 Cl] Cl_2`. v) `Cs[FeCl_4]`

Explanation

i) Potassium diaioxalato chromate(III) hýdrate. In .K[Cr(H_2 O)_2(C_2 O_i)_2] 3 H_2 O. oxidation
state of .Cr. is .(+1+x+0-4=0) rarr x=+3.
Coordination rio. of .Cr. is 6
" .operatornameCr(24): 4 s^1 3 ~d^5.
.Cr^3+: 4 ~s^0 3 ~d^3.
figure
.d^2 sp^3. hybridisation, octahedral shape, paramagnetịc in nature. Magnetic moment .mu=sqrtn(n+2)=sqrt3 xx 5=sqrt15=3.87 ~B dot M.
ii) .[CrCl_3(Py)_3].
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