Choose the correct statement(s) among the following :

1) [FeCl4]- [FeCl4]- is sp3 hybridised and has tetrahedral geometry with 5 unpaired electrons2) [Co(en)(NH3)2Cl2]+ has three geometrical isomers.3) [FeCl4]- Number of unpaired electrons (n) = 5 Spin only magnetic moment  =n(n+2) B.M.                                                   =5.92B.M Co(en)NH32Cl2+Number of unpaired electrons (n) = 0 Spin only magnetic moment =n(n+2) B.M.                                               = 04) Co(en)NH32Cl2+[Co(en)(NH3)2Cl2]+ is d2 sp3 hybridised and has octahedral geometry with 0 unpaired electron