Complex  X of composition  CrH2O6CIn has a spin only magnetic moment of 3.83 BM. It reacts with  AgNO3  and shows geometrical isomerism. The IUPAC nomenclature of X is :

μ=3.83B.M=15B.M  ⇒n=3  μ=nn+2 →Cr3+ → t1,1,1 2g eg0,0It reacts withIt reacts with AgNO3⇒atleast 1  Cl-  is outside  co-ordination  sphereG.I  . It should have atleast 2Cl inside co-ordination sphere Complex CrH2O4Cl2Cl.2H2O